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Finding the Fourth Proportional to 101,875.60, 152,846.60 and 51,248.49

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Solution

The fourth proportional to 101,875.60, 152,846.60 and 51,248.49 is: 76,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,875.60 : 152,846.60 = 51,248.49 : x
  2. Step 2: Convert to fraction form
    101,875.60/152,846.60 = 51,248.49/x
  3. Step 3: Cross multiply
    101,875.60x = 152,846.60 × 51,248.49
  4. Step 4: Simplify right side
    101,875.60x = 7,833,157,770.25
  5. Step 5: Solve for x
    x = 7,833,157,770.25/101,875.60
  6. Step 6: Final answer
    x = 76,889.44

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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.