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Finding the Fourth Proportional to 149,915.01, 224,839.40 and 43,275.79

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Solution

The fourth proportional to 149,915.01, 224,839.40 and 43,275.79 is: 64,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,915.01 : 224,839.40 = 43,275.79 : x
  2. Step 2: Convert to fraction form
    149,915.01/224,839.40 = 43,275.79/x
  3. Step 3: Cross multiply
    149,915.01x = 224,839.40 × 43,275.79
  4. Step 4: Simplify right side
    149,915.01x = 9,730,102,658.13
  5. Step 5: Solve for x
    x = 9,730,102,658.13/149,915.01
  6. Step 6: Final answer
    x = 64,904.13

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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.