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Finding the Fourth Proportional to 169,874.88, 234,430.05 and 93,397.32

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Solution

The fourth proportional to 169,874.88, 234,430.05 and 93,397.32 is: 128,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,874.88 : 234,430.05 = 93,397.32 : x
  2. Step 2: Convert to fraction form
    169,874.88/234,430.05 = 93,397.32/x
  3. Step 3: Cross multiply
    169,874.88x = 234,430.05 × 93,397.32
  4. Step 4: Simplify right side
    169,874.88x = 21,895,138,397.47
  5. Step 5: Solve for x
    x = 21,895,138,397.47/169,874.88
  6. Step 6: Final answer
    x = 128,889.79

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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.