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Finding the Fourth Proportional to 115,896,199.60, 173,865,294.60 and 58,243,380.40

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Solution

The fourth proportional to 115,896,199.60, 173,865,294.60 and 58,243,380.40 is: 87,375,621.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,896,199.60 : 173,865,294.60 = 58,243,380.40 : x
  2. Step 2: Convert to fraction form
    115,896,199.60/173,865,294.60 = 58,243,380.40/x
  3. Step 3: Cross multiply
    115,896,199.60x = 173,865,294.60 × 58,243,380.40
  4. Step 4: Simplify right side
    115,896,199.60x = 10,126,502,491,745,866
  5. Step 5: Solve for x
    x = 10,126,502,491,745,866/115,896,199.60
  6. Step 6: Final answer
    x = 87,375,621.69

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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.