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Finding the Fourth Proportional to 84,447.92, 116,487.36 and 55,767.84

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Solution

The fourth proportional to 84,447.92, 116,487.36 and 55,767.84 is: 76,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,447.92 : 116,487.36 = 55,767.84 : x
  2. Step 2: Convert to fraction form
    84,447.92/116,487.36 = 55,767.84/x
  3. Step 3: Cross multiply
    84,447.92x = 116,487.36 × 55,767.84
  4. Step 4: Simplify right side
    84,447.92x = 6,496,248,454.50
  5. Step 5: Solve for x
    x = 6,496,248,454.50/84,447.92
  6. Step 6: Final answer
    x = 76,926.10

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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.