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Finding the Fourth Proportional to 70,701.59, 106,029.85 and 23,307.85

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Solution

The fourth proportional to 70,701.59, 106,029.85 and 23,307.85 is: 34,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,701.59 : 106,029.85 = 23,307.85 : x
  2. Step 2: Convert to fraction form
    70,701.59/106,029.85 = 23,307.85/x
  3. Step 3: Cross multiply
    70,701.59x = 106,029.85 × 23,307.85
  4. Step 4: Simplify right side
    70,701.59x = 2,471,327,839.32
  5. Step 5: Solve for x
    x = 2,471,327,839.32/70,701.59
  6. Step 6: Final answer
    x = 34,954.35

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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.