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Finding the Fourth Proportional to 84,773.78, 127,154.52 and 34,176.17

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Solution

The fourth proportional to 84,773.78, 127,154.52 and 34,176.17 is: 51,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,773.78 : 127,154.52 = 34,176.17 : x
  2. Step 2: Convert to fraction form
    84,773.78/127,154.52 = 34,176.17/x
  3. Step 3: Cross multiply
    84,773.78x = 127,154.52 × 34,176.17
  4. Step 4: Simplify right side
    84,773.78x = 4,345,654,809.67
  5. Step 5: Solve for x
    x = 4,345,654,809.67/84,773.78
  6. Step 6: Final answer
    x = 51,261.78

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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.