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Finding the Fourth Proportional to 151,407.70, 227,002.20 and 84,868.23

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Solution

The fourth proportional to 151,407.70, 227,002.20 and 84,868.23 is: 127,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,407.70 : 227,002.20 = 84,868.23 : x
  2. Step 2: Convert to fraction form
    151,407.70/227,002.20 = 84,868.23/x
  3. Step 3: Cross multiply
    151,407.70x = 227,002.20 × 84,868.23
  4. Step 4: Simplify right side
    151,407.70x = 19,265,274,920.11
  5. Step 5: Solve for x
    x = 19,265,274,920.11/151,407.70
  6. Step 6: Final answer
    x = 127,241.05

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1.5x scale

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.