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Finding the Fourth Proportional to 70,572.68, 105,859.17 and 49,606.53

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Solution

The fourth proportional to 70,572.68, 105,859.17 and 49,606.53 is: 74,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,572.68 : 105,859.17 = 49,606.53 : x
  2. Step 2: Convert to fraction form
    70,572.68/105,859.17 = 49,606.53/x
  3. Step 3: Cross multiply
    70,572.68x = 105,859.17 × 49,606.53
  4. Step 4: Simplify right side
    70,572.68x = 5,251,306,303.33
  5. Step 5: Solve for x
    x = 5,251,306,303.33/70,572.68
  6. Step 6: Final answer
    x = 74,409.90

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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.