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Finding the Fourth Proportional to 251,309.70, 377,026.50 and 125,009.84

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Solution

The fourth proportional to 251,309.70, 377,026.50 and 125,009.84 is: 187,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,309.70 : 377,026.50 = 125,009.84 : x
  2. Step 2: Convert to fraction form
    251,309.70/377,026.50 = 125,009.84/x
  3. Step 3: Cross multiply
    251,309.70x = 377,026.50 × 125,009.84
  4. Step 4: Simplify right side
    251,309.70x = 47,132,022,440.76
  5. Step 5: Solve for x
    x = 47,132,022,440.76/251,309.70
  6. Step 6: Final answer
    x = 187,545.58

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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.