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Finding the Fourth Proportional to 169,897.65, 234,464.78 and 93,422.57

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Solution

The fourth proportional to 169,897.65, 234,464.78 and 93,422.57 is: 128,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,897.65 : 234,464.78 = 93,422.57 : x
  2. Step 2: Convert to fraction form
    169,897.65/234,464.78 = 93,422.57/x
  3. Step 3: Cross multiply
    169,897.65x = 234,464.78 × 93,422.57
  4. Step 4: Simplify right side
    169,897.65x = 21,904,302,322.08
  5. Step 5: Solve for x
    x = 21,904,302,322.08/169,897.65
  6. Step 6: Final answer
    x = 128,926.46

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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.