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Finding the Fourth Proportional to 144,029.70, 216,044.55 and 38,848.65

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Solution

The fourth proportional to 144,029.70, 216,044.55 and 38,848.65 is: 58,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,029.70 : 216,044.55 = 38,848.65 : x
  2. Step 2: Convert to fraction form
    144,029.70/216,044.55 = 38,848.65/x
  3. Step 3: Cross multiply
    144,029.70x = 216,044.55 × 38,848.65
  4. Step 4: Simplify right side
    144,029.70x = 8,393,039,107.36
  5. Step 5: Solve for x
    x = 8,393,039,107.36/144,029.70
  6. Step 6: Final answer
    x = 58,272.98

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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.