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Finding the Fourth Proportional to 75,058.92, 103,360.86 and 67,098.24

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Solution

The fourth proportional to 75,058.92, 103,360.86 and 67,098.24 is: 92,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,058.92 : 103,360.86 = 67,098.24 : x
  2. Step 2: Convert to fraction form
    75,058.92/103,360.86 = 67,098.24/x
  3. Step 3: Cross multiply
    75,058.92x = 103,360.86 × 67,098.24
  4. Step 4: Simplify right side
    75,058.92x = 6,935,331,790.89
  5. Step 5: Solve for x
    x = 6,935,331,790.89/75,058.92
  6. Step 6: Final answer
    x = 92,398.50

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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.