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Finding the Fourth Proportional to 151,707.70, 227,561.55 and 149,739.40

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Solution

The fourth proportional to 151,707.70, 227,561.55 and 149,739.40 is: 224,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,707.70 : 227,561.55 = 149,739.40 : x
  2. Step 2: Convert to fraction form
    151,707.70/227,561.55 = 149,739.40/x
  3. Step 3: Cross multiply
    151,707.70x = 227,561.55 × 149,739.40
  4. Step 4: Simplify right side
    151,707.70x = 34,074,929,960.07
  5. Step 5: Solve for x
    x = 34,074,929,960.07/151,707.70
  6. Step 6: Final answer
    x = 224,609.10

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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.