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Finding the Fourth Proportional to 373,154.86, 559,729.50 and 106,915.60

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Solution

The fourth proportional to 373,154.86, 559,729.50 and 106,915.60 is: 160,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,154.86 : 559,729.50 = 106,915.60 : x
  2. Step 2: Convert to fraction form
    373,154.86/559,729.50 = 106,915.60/x
  3. Step 3: Cross multiply
    373,154.86x = 559,729.50 × 106,915.60
  4. Step 4: Simplify right side
    373,154.86x = 59,843,815,330.20
  5. Step 5: Solve for x
    x = 59,843,815,330.20/373,154.86
  6. Step 6: Final answer
    x = 160,372.60

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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.