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Finding the Fourth Proportional to 372,562.56, 558,838.32 and 92,079.72

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Solution

The fourth proportional to 372,562.56, 558,838.32 and 92,079.72 is: 138,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,562.56 : 558,838.32 = 92,079.72 : x
  2. Step 2: Convert to fraction form
    372,562.56/558,838.32 = 92,079.72/x
  3. Step 3: Cross multiply
    372,562.56x = 558,838.32 × 92,079.72
  4. Step 4: Simplify right side
    372,562.56x = 51,457,676,030.87
  5. Step 5: Solve for x
    x = 51,457,676,030.87/372,562.56
  6. Step 6: Final answer
    x = 138,118.22

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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.