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Finding the Fourth Proportional to 247,141.74, 370,741.42 and 89,444.46

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Solution

The fourth proportional to 247,141.74, 370,741.42 and 89,444.46 is: 134,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,141.74 : 370,741.42 = 89,444.46 : x
  2. Step 2: Convert to fraction form
    247,141.74/370,741.42 = 89,444.46/x
  3. Step 3: Cross multiply
    247,141.74x = 370,741.42 × 89,444.46
  4. Step 4: Simplify right side
    247,141.74x = 33,160,766,111.53
  5. Step 5: Solve for x
    x = 33,160,766,111.53/247,141.74
  6. Step 6: Final answer
    x = 134,177.12

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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.