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Finding the Fourth Proportional to 157,532.00, 217,385.48 and 89,539.52

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Solution

The fourth proportional to 157,532.00, 217,385.48 and 89,539.52 is: 123,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,532.00 : 217,385.48 = 89,539.52 : x
  2. Step 2: Convert to fraction form
    157,532.00/217,385.48 = 89,539.52/x
  3. Step 3: Cross multiply
    157,532.00x = 217,385.48 × 89,539.52
  4. Step 4: Simplify right side
    157,532.00x = 19,464,589,999.54
  5. Step 5: Solve for x
    x = 19,464,589,999.54/157,532.00
  6. Step 6: Final answer
    x = 123,559.60

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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.