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Finding the Fourth Proportional to 124,412.82, 171,689.18 and 67,824.19

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Solution

The fourth proportional to 124,412.82, 171,689.18 and 67,824.19 is: 93,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,412.82 : 171,689.18 = 67,824.19 : x
  2. Step 2: Convert to fraction form
    124,412.82/171,689.18 = 67,824.19/x
  3. Step 3: Cross multiply
    124,412.82x = 171,689.18 × 67,824.19
  4. Step 4: Simplify right side
    124,412.82x = 11,644,679,565.26
  5. Step 5: Solve for x
    x = 11,644,679,565.26/124,412.82
  6. Step 6: Final answer
    x = 93,597.10

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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.