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Finding the Fourth Proportional to 167,143.54, 250,715.85 and 42,484.54

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Solution

The fourth proportional to 167,143.54, 250,715.85 and 42,484.54 is: 63,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,143.54 : 250,715.85 = 42,484.54 : x
  2. Step 2: Convert to fraction form
    167,143.54/250,715.85 = 42,484.54/x
  3. Step 3: Cross multiply
    167,143.54x = 250,715.85 × 42,484.54
  4. Step 4: Simplify right side
    167,143.54x = 10,651,547,557.96
  5. Step 5: Solve for x
    x = 10,651,547,557.96/167,143.54
  6. Step 6: Final answer
    x = 63,726.95

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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.