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Finding the Fourth Proportional to 70,106.96, 96,687.24 and 62,460.56

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Solution

The fourth proportional to 70,106.96, 96,687.24 and 62,460.56 is: 86,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,106.96 : 96,687.24 = 62,460.56 : x
  2. Step 2: Convert to fraction form
    70,106.96/96,687.24 = 62,460.56/x
  3. Step 3: Cross multiply
    70,106.96x = 96,687.24 × 62,460.56
  4. Step 4: Simplify right side
    70,106.96x = 6,039,139,155.25
  5. Step 5: Solve for x
    x = 6,039,139,155.25/70,106.96
  6. Step 6: Final answer
    x = 86,141.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.