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Finding the Fourth Proportional to 151,749.80, 227,624.70 and 98,605.70

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Solution

The fourth proportional to 151,749.80, 227,624.70 and 98,605.70 is: 147,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,749.80 : 227,624.70 = 98,605.70 : x
  2. Step 2: Convert to fraction form
    151,749.80/227,624.70 = 98,605.70/x
  3. Step 3: Cross multiply
    151,749.80x = 227,624.70 × 98,605.70
  4. Step 4: Simplify right side
    151,749.80x = 22,445,092,880.79
  5. Step 5: Solve for x
    x = 22,445,092,880.79/151,749.80
  6. Step 6: Final answer
    x = 147,908.55

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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.