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Finding the Fourth Proportional to 169,229.52, 233,538.12 and 93,779.28

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Solution

The fourth proportional to 169,229.52, 233,538.12 and 93,779.28 is: 129,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,229.52 : 233,538.12 = 93,779.28 : x
  2. Step 2: Convert to fraction form
    169,229.52/233,538.12 = 93,779.28/x
  3. Step 3: Cross multiply
    169,229.52x = 233,538.12 × 93,779.28
  4. Step 4: Simplify right side
    169,229.52x = 21,901,036,746.15
  5. Step 5: Solve for x
    x = 21,901,036,746.15/169,229.52
  6. Step 6: Final answer
    x = 129,416.17

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1.5x scale

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.