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Finding the Fourth Proportional to 167,712.38, 251,468.54 and 113,743.55

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Solution

The fourth proportional to 167,712.38, 251,468.54 and 113,743.55 is: 170,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,712.38 : 251,468.54 = 113,743.55 : x
  2. Step 2: Convert to fraction form
    167,712.38/251,468.54 = 113,743.55/x
  3. Step 3: Cross multiply
    167,712.38x = 251,468.54 × 113,743.55
  4. Step 4: Simplify right side
    167,712.38x = 28,602,925,152.68
  5. Step 5: Solve for x
    x = 28,602,925,152.68/167,712.38
  6. Step 6: Final answer
    x = 170,547.48

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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.