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Finding the Fourth Proportional to 70,996.60, 106,452.78 and 62,695.72

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Solution

The fourth proportional to 70,996.60, 106,452.78 and 62,695.72 is: 94,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,996.60 : 106,452.78 = 62,695.72 : x
  2. Step 2: Convert to fraction form
    70,996.60/106,452.78 = 62,695.72/x
  3. Step 3: Cross multiply
    70,996.60x = 106,452.78 × 62,695.72
  4. Step 4: Simplify right side
    70,996.60x = 6,674,133,688.10
  5. Step 5: Solve for x
    x = 6,674,133,688.10/70,996.60
  6. Step 6: Final answer
    x = 94,006.38

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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.