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Finding the Fourth Proportional to 167,154.32, 250,732.08 and 42,495.32

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Solution

The fourth proportional to 167,154.32, 250,732.08 and 42,495.32 is: 63,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,154.32 : 250,732.08 = 42,495.32 : x
  2. Step 2: Convert to fraction form
    167,154.32/250,732.08 = 42,495.32/x
  3. Step 3: Cross multiply
    167,154.32x = 250,732.08 × 42,495.32
  4. Step 4: Simplify right side
    167,154.32x = 10,654,939,973.87
  5. Step 5: Solve for x
    x = 10,654,939,973.87/167,154.32
  6. Step 6: Final answer
    x = 63,743.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.