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Finding the Fourth Proportional to 144,946.60, 217,419.90 and 132,699.40

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Solution

The fourth proportional to 144,946.60, 217,419.90 and 132,699.40 is: 199,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,946.60 : 217,419.90 = 132,699.40 : x
  2. Step 2: Convert to fraction form
    144,946.60/217,419.90 = 132,699.40/x
  3. Step 3: Cross multiply
    144,946.60x = 217,419.90 × 132,699.40
  4. Step 4: Simplify right side
    144,946.60x = 28,851,490,278.06
  5. Step 5: Solve for x
    x = 28,851,490,278.06/144,946.60
  6. Step 6: Final answer
    x = 199,049.10

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1.5x scale

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.