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Finding the Fourth Proportional to 230,156.55, 344,807.15 and 125,063.91

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Solution

The fourth proportional to 230,156.55, 344,807.15 and 125,063.91 is: 187,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,156.55 : 344,807.15 = 125,063.91 : x
  2. Step 2: Convert to fraction form
    230,156.55/344,807.15 = 125,063.91/x
  3. Step 3: Cross multiply
    230,156.55x = 344,807.15 × 125,063.91
  4. Step 4: Simplify right side
    230,156.55x = 43,122,929,749.64
  5. Step 5: Solve for x
    x = 43,122,929,749.64/230,156.55
  6. Step 6: Final answer
    x = 187,363.47

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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.