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Finding the Fourth Proportional to 149,337.20, 224,045.40 and 65,061.20

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Solution

The fourth proportional to 149,337.20, 224,045.40 and 65,061.20 is: 97,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,337.20 : 224,045.40 = 65,061.20 : x
  2. Step 2: Convert to fraction form
    149,337.20/224,045.40 = 65,061.20/x
  3. Step 3: Cross multiply
    149,337.20x = 224,045.40 × 65,061.20
  4. Step 4: Simplify right side
    149,337.20x = 14,576,662,578.48
  5. Step 5: Solve for x
    x = 14,576,662,578.48/149,337.20
  6. Step 6: Final answer
    x = 97,609.05

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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.