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Finding the Fourth Proportional to 84,467.59, 116,565.61 and 54,253.18

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Solution

The fourth proportional to 84,467.59, 116,565.61 and 54,253.18 is: 74,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,467.59 : 116,565.61 = 54,253.18 : x
  2. Step 2: Convert to fraction form
    84,467.59/116,565.61 = 54,253.18/x
  3. Step 3: Cross multiply
    84,467.59x = 116,565.61 × 54,253.18
  4. Step 4: Simplify right side
    84,467.59x = 6,324,054,324.67
  5. Step 5: Solve for x
    x = 6,324,054,324.67/84,467.59
  6. Step 6: Final answer
    x = 74,869.59

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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.