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Finding the Fourth Proportional to 153,645.11, 230,494.92 and 47,026.71

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Solution

The fourth proportional to 153,645.11, 230,494.92 and 47,026.71 is: 70,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,645.11 : 230,494.92 = 47,026.71 : x
  2. Step 2: Convert to fraction form
    153,645.11/230,494.92 = 47,026.71/x
  3. Step 3: Cross multiply
    153,645.11x = 230,494.92 × 47,026.71
  4. Step 4: Simplify right side
    153,645.11x = 10,839,416,489.27
  5. Step 5: Solve for x
    x = 10,839,416,489.27/153,645.11
  6. Step 6: Final answer
    x = 70,548.40

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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.