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Finding the Fourth Proportional to 377,778.07, 566,530.98 and 125,011.90

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Solution

The fourth proportional to 377,778.07, 566,530.98 and 125,011.90 is: 187,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,778.07 : 566,530.98 = 125,011.90 : x
  2. Step 2: Convert to fraction form
    377,778.07/566,530.98 = 125,011.90/x
  3. Step 3: Cross multiply
    377,778.07x = 566,530.98 × 125,011.90
  4. Step 4: Simplify right side
    377,778.07x = 70,823,114,218.66
  5. Step 5: Solve for x
    x = 70,823,114,218.66/377,778.07
  6. Step 6: Final answer
    x = 187,472.80

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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.