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Finding the Fourth Proportional to 144,029.40, 216,044.10 and 108,547.80

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Solution

The fourth proportional to 144,029.40, 216,044.10 and 108,547.80 is: 162,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,029.40 : 216,044.10 = 108,547.80 : x
  2. Step 2: Convert to fraction form
    144,029.40/216,044.10 = 108,547.80/x
  3. Step 3: Cross multiply
    144,029.40x = 216,044.10 × 108,547.80
  4. Step 4: Simplify right side
    144,029.40x = 23,451,111,757.98
  5. Step 5: Solve for x
    x = 23,451,111,757.98/144,029.40
  6. Step 6: Final answer
    x = 162,821.70

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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.