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Finding the Fourth Proportional to 144,649.20, 216,935.40 and 44,809.20

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Solution

The fourth proportional to 144,649.20, 216,935.40 and 44,809.20 is: 67,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,649.20 : 216,935.40 = 44,809.20 : x
  2. Step 2: Convert to fraction form
    144,649.20/216,935.40 = 44,809.20/x
  3. Step 3: Cross multiply
    144,649.20x = 216,935.40 × 44,809.20
  4. Step 4: Simplify right side
    144,649.20x = 9,720,701,725.68
  5. Step 5: Solve for x
    x = 9,720,701,725.68/144,649.20
  6. Step 6: Final answer
    x = 67,201.90

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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.