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Finding the Fourth Proportional to 232,748.80, 349,113.71 and 80,980.62

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Solution

The fourth proportional to 232,748.80, 349,113.71 and 80,980.62 is: 121,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,748.80 : 349,113.71 = 80,980.62 : x
  2. Step 2: Convert to fraction form
    232,748.80/349,113.71 = 80,980.62/x
  3. Step 3: Cross multiply
    232,748.80x = 349,113.71 × 80,980.62
  4. Step 4: Simplify right side
    232,748.80x = 28,271,444,888.75
  5. Step 5: Solve for x
    x = 28,271,444,888.75/232,748.80
  6. Step 6: Final answer
    x = 121,467.63

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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.