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Finding the Fourth Proportional to 113,056.96, 156,010.80 and 62,752

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Solution

The fourth proportional to 113,056.96, 156,010.80 and 62,752 is: 86,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,056.96 : 156,010.80 = 62,752 : x
  2. Step 2: Convert to fraction form
    113,056.96/156,010.80 = 62,752/x
  3. Step 3: Cross multiply
    113,056.96x = 156,010.80 × 62,752
  4. Step 4: Simplify right side
    113,056.96x = 9,789,989,721.60
  5. Step 5: Solve for x
    x = 9,789,989,721.60/113,056.96
  6. Step 6: Final answer
    x = 86,593.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.