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Finding the Fourth Proportional to 144,405.72, 216,609.12 and 94,799.70

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Solution

The fourth proportional to 144,405.72, 216,609.12 and 94,799.70 is: 142,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,405.72 : 216,609.12 = 94,799.70 : x
  2. Step 2: Convert to fraction form
    144,405.72/216,609.12 = 94,799.70/x
  3. Step 3: Cross multiply
    144,405.72x = 216,609.12 × 94,799.70
  4. Step 4: Simplify right side
    144,405.72x = 20,534,479,593.26
  5. Step 5: Solve for x
    x = 20,534,479,593.26/144,405.72
  6. Step 6: Final answer
    x = 142,199.90

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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.