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Finding the Fourth Proportional to 123,953.61, 171,051.17 and 67,363.77

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Solution

The fourth proportional to 123,953.61, 171,051.17 and 67,363.77 is: 92,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,953.61 : 171,051.17 = 67,363.77 : x
  2. Step 2: Convert to fraction form
    123,953.61/171,051.17 = 67,363.77/x
  3. Step 3: Cross multiply
    123,953.61x = 171,051.17 × 67,363.77
  4. Step 4: Simplify right side
    123,953.61x = 11,522,651,337.29
  5. Step 5: Solve for x
    x = 11,522,651,337.29/123,953.61
  6. Step 6: Final answer
    x = 92,959.38

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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.