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Finding the Fourth Proportional to 157,612.67, 236,285.94 and 73,329.32

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Solution

The fourth proportional to 157,612.67, 236,285.94 and 73,329.32 is: 109,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,612.67 : 236,285.94 = 73,329.32 : x
  2. Step 2: Convert to fraction form
    157,612.67/236,285.94 = 73,329.32/x
  3. Step 3: Cross multiply
    157,612.67x = 236,285.94 × 73,329.32
  4. Step 4: Simplify right side
    157,612.67x = 17,326,687,305.76
  5. Step 5: Solve for x
    x = 17,326,687,305.76/157,612.67
  6. Step 6: Final answer
    x = 109,932.07

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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.