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Finding the Fourth Proportional to 88,665.93, 122,358.99 and 56,834.90

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Solution

The fourth proportional to 88,665.93, 122,358.99 and 56,834.90 is: 78,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,665.93 : 122,358.99 = 56,834.90 : x
  2. Step 2: Convert to fraction form
    88,665.93/122,358.99 = 56,834.90/x
  3. Step 3: Cross multiply
    88,665.93x = 122,358.99 × 56,834.90
  4. Step 4: Simplify right side
    88,665.93x = 6,954,260,348.96
  5. Step 5: Solve for x
    x = 6,954,260,348.96/88,665.93
  6. Step 6: Final answer
    x = 78,432.16

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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.