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Finding the Fourth Proportional to 88,783.38, 122,520.60 and 48,496.68

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Solution

The fourth proportional to 88,783.38, 122,520.60 and 48,496.68 is: 66,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,783.38 : 122,520.60 = 48,496.68 : x
  2. Step 2: Convert to fraction form
    88,783.38/122,520.60 = 48,496.68/x
  3. Step 3: Cross multiply
    88,783.38x = 122,520.60 × 48,496.68
  4. Step 4: Simplify right side
    88,783.38x = 5,941,842,331.61
  5. Step 5: Solve for x
    x = 5,941,842,331.61/88,783.38
  6. Step 6: Final answer
    x = 66,925.16

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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.