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Finding the Fourth Proportional to 88,630.92, 122,308.44 and 48,345.60

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Solution

The fourth proportional to 88,630.92, 122,308.44 and 48,345.60 is: 66,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,630.92 : 122,308.44 = 48,345.60 : x
  2. Step 2: Convert to fraction form
    88,630.92/122,308.44 = 48,345.60/x
  3. Step 3: Cross multiply
    88,630.92x = 122,308.44 × 48,345.60
  4. Step 4: Simplify right side
    88,630.92x = 5,913,074,916.86
  5. Step 5: Solve for x
    x = 5,913,074,916.86/88,630.92
  6. Step 6: Final answer
    x = 66,715.71

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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.