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Finding the Fourth Proportional to 83,296.08, 124,736.76 and 48,129.12

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Solution

The fourth proportional to 83,296.08, 124,736.76 and 48,129.12 is: 72,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,296.08 : 124,736.76 = 48,129.12 : x
  2. Step 2: Convert to fraction form
    83,296.08/124,736.76 = 48,129.12/x
  3. Step 3: Cross multiply
    83,296.08x = 124,736.76 × 48,129.12
  4. Step 4: Simplify right side
    83,296.08x = 6,003,470,490.45
  5. Step 5: Solve for x
    x = 6,003,470,490.45/83,296.08
  6. Step 6: Final answer
    x = 72,073.87

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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.