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Finding the Fourth Proportional to 124,269.93, 171,492.39 and 67,681.71

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Solution

The fourth proportional to 124,269.93, 171,492.39 and 67,681.71 is: 93,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,269.93 : 171,492.39 = 67,681.71 : x
  2. Step 2: Convert to fraction form
    124,269.93/171,492.39 = 67,681.71/x
  3. Step 3: Cross multiply
    124,269.93x = 171,492.39 × 67,681.71
  4. Step 4: Simplify right side
    124,269.93x = 11,606,898,207.19
  5. Step 5: Solve for x
    x = 11,606,898,207.19/124,269.93
  6. Step 6: Final answer
    x = 93,400.70

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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.