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Finding the Fourth Proportional to 75,197.52, 112,799.74 and 30,793.13

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Solution

The fourth proportional to 75,197.52, 112,799.74 and 30,793.13 is: 46,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,197.52 : 112,799.74 = 30,793.13 : x
  2. Step 2: Convert to fraction form
    75,197.52/112,799.74 = 30,793.13/x
  3. Step 3: Cross multiply
    75,197.52x = 112,799.74 × 30,793.13
  4. Step 4: Simplify right side
    75,197.52x = 3,473,457,038.05
  5. Step 5: Solve for x
    x = 3,473,457,038.05/75,197.52
  6. Step 6: Final answer
    x = 46,191.11

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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.