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Finding the Fourth Proportional to 149,672.70, 224,618.40 and 99,736.20

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Solution

The fourth proportional to 149,672.70, 224,618.40 and 99,736.20 is: 149,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,672.70 : 224,618.40 = 99,736.20 : x
  2. Step 2: Convert to fraction form
    149,672.70/224,618.40 = 99,736.20/x
  3. Step 3: Cross multiply
    149,672.70x = 224,618.40 × 99,736.20
  4. Step 4: Simplify right side
    149,672.70x = 22,402,585,666.08
  5. Step 5: Solve for x
    x = 22,402,585,666.08/149,672.70
  6. Step 6: Final answer
    x = 149,677.17

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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.