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Finding the Fourth Proportional to 75,943.68, 114,019.20 and 48,364.80

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Solution

The fourth proportional to 75,943.68, 114,019.20 and 48,364.80 is: 72,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,943.68 : 114,019.20 = 48,364.80 : x
  2. Step 2: Convert to fraction form
    75,943.68/114,019.20 = 48,364.80/x
  3. Step 3: Cross multiply
    75,943.68x = 114,019.20 × 48,364.80
  4. Step 4: Simplify right side
    75,943.68x = 5,514,515,804.16
  5. Step 5: Solve for x
    x = 5,514,515,804.16/75,943.68
  6. Step 6: Final answer
    x = 72,613.23

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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.