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Finding the Fourth Proportional to 169,700.57, 234,134.11 and 98,054.45

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Solution

The fourth proportional to 169,700.57, 234,134.11 and 98,054.45 is: 135,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,700.57 : 234,134.11 = 98,054.45 : x
  2. Step 2: Convert to fraction form
    169,700.57/234,134.11 = 98,054.45/x
  3. Step 3: Cross multiply
    169,700.57x = 234,134.11 × 98,054.45
  4. Step 4: Simplify right side
    169,700.57x = 22,957,891,382.29
  5. Step 5: Solve for x
    x = 22,957,891,382.29/169,700.57
  6. Step 6: Final answer
    x = 135,284.70

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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.