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Finding the Fourth Proportional to 162,006.70, 243,010.05 and 144,496.30

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Solution

The fourth proportional to 162,006.70, 243,010.05 and 144,496.30 is: 216,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,006.70 : 243,010.05 = 144,496.30 : x
  2. Step 2: Convert to fraction form
    162,006.70/243,010.05 = 144,496.30/x
  3. Step 3: Cross multiply
    162,006.70x = 243,010.05 × 144,496.30
  4. Step 4: Simplify right side
    162,006.70x = 35,114,053,087.82
  5. Step 5: Solve for x
    x = 35,114,053,087.82/162,006.70
  6. Step 6: Final answer
    x = 216,744.45

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1.5x scale

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.