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Finding the Fourth Proportional to 372,775.32, 559,162.97 and 92,292.57

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Solution

The fourth proportional to 372,775.32, 559,162.97 and 92,292.57 is: 138,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,775.32 : 559,162.97 = 92,292.57 : x
  2. Step 2: Convert to fraction form
    372,775.32/559,162.97 = 92,292.57/x
  3. Step 3: Cross multiply
    372,775.32x = 559,162.97 × 92,292.57
  4. Step 4: Simplify right side
    372,775.32x = 51,606,587,088.67
  5. Step 5: Solve for x
    x = 51,606,587,088.67/372,775.32
  6. Step 6: Final answer
    x = 138,438.85

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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.