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Finding the Fourth Proportional to 124,410.29, 171,681.10 and 69,960.91

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Solution

The fourth proportional to 124,410.29, 171,681.10 and 69,960.91 is: 96,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,410.29 : 171,681.10 = 69,960.91 : x
  2. Step 2: Convert to fraction form
    124,410.29/171,681.10 = 69,960.91/x
  3. Step 3: Cross multiply
    124,410.29x = 171,681.10 × 69,960.91
  4. Step 4: Simplify right side
    124,410.29x = 12,010,965,985.80
  5. Step 5: Solve for x
    x = 12,010,965,985.80/124,410.29
  6. Step 6: Final answer
    x = 96,543.19

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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.