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Finding the Fourth Proportional to 121,179.60, 181,771.92 and 32,433

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Solution

The fourth proportional to 121,179.60, 181,771.92 and 32,433 is: 48,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,179.60 : 181,771.92 = 32,433 : x
  2. Step 2: Convert to fraction form
    121,179.60/181,771.92 = 32,433/x
  3. Step 3: Cross multiply
    121,179.60x = 181,771.92 × 32,433
  4. Step 4: Simplify right side
    121,179.60x = 5,895,408,681.36
  5. Step 5: Solve for x
    x = 5,895,408,681.36/121,179.60
  6. Step 6: Final answer
    x = 48,650.17

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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.