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Finding the Fourth Proportional to 149,765.28, 224,492.40 and 60,980.64

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Solution

The fourth proportional to 149,765.28, 224,492.40 and 60,980.64 is: 91,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,765.28 : 224,492.40 = 60,980.64 : x
  2. Step 2: Convert to fraction form
    149,765.28/224,492.40 = 60,980.64/x
  3. Step 3: Cross multiply
    149,765.28x = 224,492.40 × 60,980.64
  4. Step 4: Simplify right side
    149,765.28x = 13,689,690,227.14
  5. Step 5: Solve for x
    x = 13,689,690,227.14/149,765.28
  6. Step 6: Final answer
    x = 91,407.64

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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.