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Finding the Fourth Proportional to 84,088.31, 116,042.78 and 45,847.55

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Solution

The fourth proportional to 84,088.31, 116,042.78 and 45,847.55 is: 63,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,088.31 : 116,042.78 = 45,847.55 : x
  2. Step 2: Convert to fraction form
    84,088.31/116,042.78 = 45,847.55/x
  3. Step 3: Cross multiply
    84,088.31x = 116,042.78 × 45,847.55
  4. Step 4: Simplify right side
    84,088.31x = 5,320,277,562.91
  5. Step 5: Solve for x
    x = 5,320,277,562.91/84,088.31
  6. Step 6: Final answer
    x = 63,270.12

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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.