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Finding the Fourth Proportional to 144,328.80, 216,498.15 and 44,488.20

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Solution

The fourth proportional to 144,328.80, 216,498.15 and 44,488.20 is: 66,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,328.80 : 216,498.15 = 44,488.20 : x
  2. Step 2: Convert to fraction form
    144,328.80/216,498.15 = 44,488.20/x
  3. Step 3: Cross multiply
    144,328.80x = 216,498.15 × 44,488.20
  4. Step 4: Simplify right side
    144,328.80x = 9,631,612,996.83
  5. Step 5: Solve for x
    x = 9,631,612,996.83/144,328.80
  6. Step 6: Final answer
    x = 66,733.83

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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.