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Finding the Fourth Proportional to 475,062.75, 712,595.23 and 115,232.11

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Solution

The fourth proportional to 475,062.75, 712,595.23 and 115,232.11 is: 172,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,062.75 : 712,595.23 = 115,232.11 : x
  2. Step 2: Convert to fraction form
    475,062.75/712,595.23 = 115,232.11/x
  3. Step 3: Cross multiply
    475,062.75x = 712,595.23 × 115,232.11
  4. Step 4: Simplify right side
    475,062.75x = 82,113,848,365.86
  5. Step 5: Solve for x
    x = 82,113,848,365.86/475,062.75
  6. Step 6: Final answer
    x = 172,848.43

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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.