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Finding the Fourth Proportional to 372,915.13, 559,372.70 and 123,597.13

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Solution

The fourth proportional to 372,915.13, 559,372.70 and 123,597.13 is: 185,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,915.13 : 559,372.70 = 123,597.13 : x
  2. Step 2: Convert to fraction form
    372,915.13/559,372.70 = 123,597.13/x
  3. Step 3: Cross multiply
    372,915.13x = 559,372.70 × 123,597.13
  4. Step 4: Simplify right side
    372,915.13x = 69,136,860,320.35
  5. Step 5: Solve for x
    x = 69,136,860,320.35/372,915.13
  6. Step 6: Final answer
    x = 185,395.70

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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.