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Finding the Fourth Proportional to 144,049.77, 216,074.65 and 38,868.74

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Solution

The fourth proportional to 144,049.77, 216,074.65 and 38,868.74 is: 58,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,049.77 : 216,074.65 = 38,868.74 : x
  2. Step 2: Convert to fraction form
    144,049.77/216,074.65 = 38,868.74/x
  3. Step 3: Cross multiply
    144,049.77x = 216,074.65 × 38,868.74
  4. Step 4: Simplify right side
    144,049.77x = 8,398,548,311.07
  5. Step 5: Solve for x
    x = 8,398,548,311.07/144,049.77
  6. Step 6: Final answer
    x = 58,303.10

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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.