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Finding the Fourth Proportional to 242,478.64, 363,717.97 and 73,999.83

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Solution

The fourth proportional to 242,478.64, 363,717.97 and 73,999.83 is: 110,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,478.64 : 363,717.97 = 73,999.83 : x
  2. Step 2: Convert to fraction form
    242,478.64/363,717.97 = 73,999.83/x
  3. Step 3: Cross multiply
    242,478.64x = 363,717.97 × 73,999.83
  4. Step 4: Simplify right side
    242,478.64x = 26,915,068,444.92
  5. Step 5: Solve for x
    x = 26,915,068,444.92/242,478.64
  6. Step 6: Final answer
    x = 110,999.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.