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Finding the Fourth Proportional to 58,723,761.60, 87,917,680.80 and 58,723,761.60

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Solution

The fourth proportional to 58,723,761.60, 87,917,680.80 and 58,723,761.60 is: 87,917,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,723,761.60 : 87,917,680.80 = 58,723,761.60 : x
  2. Step 2: Convert to fraction form
    58,723,761.60/87,917,680.80 = 58,723,761.60/x
  3. Step 3: Cross multiply
    58,723,761.60x = 87,917,680.80 × 58,723,761.60
  4. Step 4: Simplify right side
    58,723,761.60x = 5,162,856,927,724,097
  5. Step 5: Solve for x
    x = 5,162,856,927,724,097/58,723,761.60
  6. Step 6: Final answer
    x = 87,917,680.80

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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.