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Finding the Fourth Proportional to 83,114.79, 124,689.70 and 26,950.52

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Solution

The fourth proportional to 83,114.79, 124,689.70 and 26,950.52 is: 40,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,114.79 : 124,689.70 = 26,950.52 : x
  2. Step 2: Convert to fraction form
    83,114.79/124,689.70 = 26,950.52/x
  3. Step 3: Cross multiply
    83,114.79x = 124,689.70 × 26,950.52
  4. Step 4: Simplify right side
    83,114.79x = 3,360,452,599.06
  5. Step 5: Solve for x
    x = 3,360,452,599.06/83,114.79
  6. Step 6: Final answer
    x = 40,431.46

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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.