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Finding the Fourth Proportional to 142,053.75, 213,081.03 and 36,873.63

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Solution

The fourth proportional to 142,053.75, 213,081.03 and 36,873.63 is: 55,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,053.75 : 213,081.03 = 36,873.63 : x
  2. Step 2: Convert to fraction form
    142,053.75/213,081.03 = 36,873.63/x
  3. Step 3: Cross multiply
    142,053.75x = 213,081.03 × 36,873.63
  4. Step 4: Simplify right side
    142,053.75x = 7,857,071,060.24
  5. Step 5: Solve for x
    x = 7,857,071,060.24/142,053.75
  6. Step 6: Final answer
    x = 55,310.55

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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.