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Finding the Fourth Proportional to 372,548.53, 558,817.29 and 92,065.78

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Solution

The fourth proportional to 372,548.53, 558,817.29 and 92,065.78 is: 138,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,548.53 : 558,817.29 = 92,065.78 : x
  2. Step 2: Convert to fraction form
    372,548.53/558,817.29 = 92,065.78/x
  3. Step 3: Cross multiply
    372,548.53x = 558,817.29 × 92,065.78
  4. Step 4: Simplify right side
    372,548.53x = 51,447,949,681.34
  5. Step 5: Solve for x
    x = 51,447,949,681.34/372,548.53
  6. Step 6: Final answer
    x = 138,097.31

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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.