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Finding the Fourth Proportional to 225,119.76, 337,436.64 and 146,290.56

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Solution

The fourth proportional to 225,119.76, 337,436.64 and 146,290.56 is: 219,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,119.76 : 337,436.64 = 146,290.56 : x
  2. Step 2: Convert to fraction form
    225,119.76/337,436.64 = 146,290.56/x
  3. Step 3: Cross multiply
    225,119.76x = 337,436.64 × 146,290.56
  4. Step 4: Simplify right side
    225,119.76x = 49,363,795,030.12
  5. Step 5: Solve for x
    x = 49,363,795,030.12/225,119.76
  6. Step 6: Final answer
    x = 219,277.93

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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.