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Finding the Fourth Proportional to 132,344.68, 198,492.54 and 60,280.60

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Solution

The fourth proportional to 132,344.68, 198,492.54 and 60,280.60 is: 90,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,344.68 : 198,492.54 = 60,280.60 : x
  2. Step 2: Convert to fraction form
    132,344.68/198,492.54 = 60,280.60/x
  3. Step 3: Cross multiply
    132,344.68x = 198,492.54 × 60,280.60
  4. Step 4: Simplify right side
    132,344.68x = 11,965,249,406.72
  5. Step 5: Solve for x
    x = 11,965,249,406.72/132,344.68
  6. Step 6: Final answer
    x = 90,409.75

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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.