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Finding the Fourth Proportional to 151,002.60, 226,649.70 and 91,953.60

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Solution

The fourth proportional to 151,002.60, 226,649.70 and 91,953.60 is: 138,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,002.60 : 226,649.70 = 91,953.60 : x
  2. Step 2: Convert to fraction form
    151,002.60/226,649.70 = 91,953.60/x
  3. Step 3: Cross multiply
    151,002.60x = 226,649.70 × 91,953.60
  4. Step 4: Simplify right side
    151,002.60x = 20,841,255,853.92
  5. Step 5: Solve for x
    x = 20,841,255,853.92/151,002.60
  6. Step 6: Final answer
    x = 138,019.19

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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.