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Finding the Fourth Proportional to 169,882.16, 234,440.28 and 93,404.39

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Solution

The fourth proportional to 169,882.16, 234,440.28 and 93,404.39 is: 128,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,882.16 : 234,440.28 = 93,404.39 : x
  2. Step 2: Convert to fraction form
    169,882.16/234,440.28 = 93,404.39/x
  3. Step 3: Cross multiply
    169,882.16x = 234,440.28 × 93,404.39
  4. Step 4: Simplify right side
    169,882.16x = 21,897,750,172.63
  5. Step 5: Solve for x
    x = 21,897,750,172.63/169,882.16
  6. Step 6: Final answer
    x = 128,899.65

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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.