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Finding the Fourth Proportional to 154,948.80, 231,985.80 and 150,574.80

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Solution

The fourth proportional to 154,948.80, 231,985.80 and 150,574.80 is: 225,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,948.80 : 231,985.80 = 150,574.80 : x
  2. Step 2: Convert to fraction form
    154,948.80/231,985.80 = 150,574.80/x
  3. Step 3: Cross multiply
    154,948.80x = 231,985.80 × 150,574.80
  4. Step 4: Simplify right side
    154,948.80x = 34,931,215,437.84
  5. Step 5: Solve for x
    x = 34,931,215,437.84/154,948.80
  6. Step 6: Final answer
    x = 225,437.15

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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.