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Finding the Fourth Proportional to 157,608,602.70, 236,412,904.05 and 100,354,692.30

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Solution

The fourth proportional to 157,608,602.70, 236,412,904.05 and 100,354,692.30 is: 150,532,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,608,602.70 : 236,412,904.05 = 100,354,692.30 : x
  2. Step 2: Convert to fraction form
    157,608,602.70/236,412,904.05 = 100,354,692.30/x
  3. Step 3: Cross multiply
    157,608,602.70x = 236,412,904.05 × 100,354,692.30
  4. Step 4: Simplify right side
    157,608,602.70x = 23,725,144,241,687,176
  5. Step 5: Solve for x
    x = 23,725,144,241,687,176/157,608,602.70
  6. Step 6: Final answer
    x = 150,532,038.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.