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Finding the Fourth Proportional to 84,956.04, 127,532.52 and 45,590.04

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Solution

The fourth proportional to 84,956.04, 127,532.52 and 45,590.04 is: 68,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,956.04 : 127,532.52 = 45,590.04 : x
  2. Step 2: Convert to fraction form
    84,956.04/127,532.52 = 45,590.04/x
  3. Step 3: Cross multiply
    84,956.04x = 127,532.52 × 45,590.04
  4. Step 4: Simplify right side
    84,956.04x = 5,814,212,688.10
  5. Step 5: Solve for x
    x = 5,814,212,688.10/84,956.04
  6. Step 6: Final answer
    x = 68,437.90

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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.