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Finding the Fourth Proportional to 144,167.55, 198,968.13 and 119,925.68

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Solution

The fourth proportional to 144,167.55, 198,968.13 and 119,925.68 is: 165,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,167.55 : 198,968.13 = 119,925.68 : x
  2. Step 2: Convert to fraction form
    144,167.55/198,968.13 = 119,925.68/x
  3. Step 3: Cross multiply
    144,167.55x = 198,968.13 × 119,925.68
  4. Step 4: Simplify right side
    144,167.55x = 23,861,389,338.57
  5. Step 5: Solve for x
    x = 23,861,389,338.57/144,167.55
  6. Step 6: Final answer
    x = 165,511.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.