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Finding the Fourth Proportional to 144,269.60, 216,404.40 and 119,693.60

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Solution

The fourth proportional to 144,269.60, 216,404.40 and 119,693.60 is: 179,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,269.60 : 216,404.40 = 119,693.60 : x
  2. Step 2: Convert to fraction form
    144,269.60/216,404.40 = 119,693.60/x
  3. Step 3: Cross multiply
    144,269.60x = 216,404.40 × 119,693.60
  4. Step 4: Simplify right side
    144,269.60x = 25,902,221,691.84
  5. Step 5: Solve for x
    x = 25,902,221,691.84/144,269.60
  6. Step 6: Final answer
    x = 179,540.40

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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.