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Finding the Fourth Proportional to 124,417.58, 171,691.22 and 67,827.74

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Solution

The fourth proportional to 124,417.58, 171,691.22 and 67,827.74 is: 93,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,417.58 : 171,691.22 = 67,827.74 : x
  2. Step 2: Convert to fraction form
    124,417.58/171,691.22 = 67,827.74/x
  3. Step 3: Cross multiply
    124,417.58x = 171,691.22 × 67,827.74
  4. Step 4: Simplify right side
    124,417.58x = 11,645,427,430.44
  5. Step 5: Solve for x
    x = 11,645,427,430.44/124,417.58
  6. Step 6: Final answer
    x = 93,599.53

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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.