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Finding the Fourth Proportional to 128,347.92, 192,473.94 and 44,084.16

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Solution

The fourth proportional to 128,347.92, 192,473.94 and 44,084.16 is: 66,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,347.92 : 192,473.94 = 44,084.16 : x
  2. Step 2: Convert to fraction form
    128,347.92/192,473.94 = 44,084.16/x
  3. Step 3: Cross multiply
    128,347.92x = 192,473.94 × 44,084.16
  4. Step 4: Simplify right side
    128,347.92x = 8,485,051,966.79
  5. Step 5: Solve for x
    x = 8,485,051,966.79/128,347.92
  6. Step 6: Final answer
    x = 66,109.77

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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.