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Finding the Fourth Proportional to 195,581.80, 292,854.30 and 154,109.80

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Solution

The fourth proportional to 195,581.80, 292,854.30 and 154,109.80 is: 230,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,581.80 : 292,854.30 = 154,109.80 : x
  2. Step 2: Convert to fraction form
    195,581.80/292,854.30 = 154,109.80/x
  3. Step 3: Cross multiply
    195,581.80x = 292,854.30 × 154,109.80
  4. Step 4: Simplify right side
    195,581.80x = 45,131,717,602.14
  5. Step 5: Solve for x
    x = 45,131,717,602.14/195,581.80
  6. Step 6: Final answer
    x = 230,756.22

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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.