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Finding the Fourth Proportional to 51,456.60, 72,246.60 and 51,456.60

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Solution

The fourth proportional to 51,456.60, 72,246.60 and 51,456.60 is: 72,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,456.60 : 72,246.60 = 51,456.60 : x
  2. Step 2: Convert to fraction form
    51,456.60/72,246.60 = 51,456.60/x
  3. Step 3: Cross multiply
    51,456.60x = 72,246.60 × 51,456.60
  4. Step 4: Simplify right side
    51,456.60x = 3,717,564,397.56
  5. Step 5: Solve for x
    x = 3,717,564,397.56/51,456.60
  6. Step 6: Final answer
    x = 72,246.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.