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Finding the Fourth Proportional to 84,000.52, 125,913.66 and 44,547.40

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Solution

The fourth proportional to 84,000.52, 125,913.66 and 44,547.40 is: 66,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,000.52 : 125,913.66 = 44,547.40 : x
  2. Step 2: Convert to fraction form
    84,000.52/125,913.66 = 44,547.40/x
  3. Step 3: Cross multiply
    84,000.52x = 125,913.66 × 44,547.40
  4. Step 4: Simplify right side
    84,000.52x = 5,609,126,177.48
  5. Step 5: Solve for x
    x = 5,609,126,177.48/84,000.52
  6. Step 6: Final answer
    x = 66,774.90

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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.