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Finding the Fourth Proportional to 96,405.80, 144,630.30 and 37,236.20

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Solution

The fourth proportional to 96,405.80, 144,630.30 and 37,236.20 is: 55,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,405.80 : 144,630.30 = 37,236.20 : x
  2. Step 2: Convert to fraction form
    96,405.80/144,630.30 = 37,236.20/x
  3. Step 3: Cross multiply
    96,405.80x = 144,630.30 × 37,236.20
  4. Step 4: Simplify right side
    96,405.80x = 5,385,482,776.86
  5. Step 5: Solve for x
    x = 5,385,482,776.86/96,405.80
  6. Step 6: Final answer
    x = 55,862.64

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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.