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Finding the Fourth Proportional to 75,326.79, 112,756.88 and 44,222.79

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Solution

The fourth proportional to 75,326.79, 112,756.88 and 44,222.79 is: 66,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,326.79 : 112,756.88 = 44,222.79 : x
  2. Step 2: Convert to fraction form
    75,326.79/112,756.88 = 44,222.79/x
  3. Step 3: Cross multiply
    75,326.79x = 112,756.88 × 44,222.79
  4. Step 4: Simplify right side
    75,326.79x = 4,986,423,825.30
  5. Step 5: Solve for x
    x = 4,986,423,825.30/75,326.79
  6. Step 6: Final answer
    x = 66,197.22

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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.