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Finding the Fourth Proportional to 128,323.92, 192,437.94 and 44,060.16

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Solution

The fourth proportional to 128,323.92, 192,437.94 and 44,060.16 is: 66,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,323.92 : 192,437.94 = 44,060.16 : x
  2. Step 2: Convert to fraction form
    128,323.92/192,437.94 = 44,060.16/x
  3. Step 3: Cross multiply
    128,323.92x = 192,437.94 × 44,060.16
  4. Step 4: Simplify right side
    128,323.92x = 8,478,846,426.47
  5. Step 5: Solve for x
    x = 8,478,846,426.47/128,323.92
  6. Step 6: Final answer
    x = 66,073.78

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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.