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Finding the Fourth Proportional to 169,897.93, 234,465.17 and 93,422.85

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Solution

The fourth proportional to 169,897.93, 234,465.17 and 93,422.85 is: 128,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,897.93 : 234,465.17 = 93,422.85 : x
  2. Step 2: Convert to fraction form
    169,897.93/234,465.17 = 93,422.85/x
  3. Step 3: Cross multiply
    169,897.93x = 234,465.17 × 93,422.85
  4. Step 4: Simplify right side
    169,897.93x = 21,904,404,407.13
  5. Step 5: Solve for x
    x = 21,904,404,407.13/169,897.93
  6. Step 6: Final answer
    x = 128,926.85

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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.