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Finding the Fourth Proportional to 144,154.40, 216,037.20 and 96,634.40

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Solution

The fourth proportional to 144,154.40, 216,037.20 and 96,634.40 is: 144,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,154.40 : 216,037.20 = 96,634.40 : x
  2. Step 2: Convert to fraction form
    144,154.40/216,037.20 = 96,634.40/x
  3. Step 3: Cross multiply
    144,154.40x = 216,037.20 × 96,634.40
  4. Step 4: Simplify right side
    144,154.40x = 20,876,625,199.68
  5. Step 5: Solve for x
    x = 20,876,625,199.68/144,154.40
  6. Step 6: Final answer
    x = 144,821.28

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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.