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Finding the Fourth Proportional to 154,689.60, 232,034.40 and 101,467.20

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Solution

The fourth proportional to 154,689.60, 232,034.40 and 101,467.20 is: 152,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,689.60 : 232,034.40 = 101,467.20 : x
  2. Step 2: Convert to fraction form
    154,689.60/232,034.40 = 101,467.20/x
  3. Step 3: Cross multiply
    154,689.60x = 232,034.40 × 101,467.20
  4. Step 4: Simplify right side
    154,689.60x = 23,543,880,871.68
  5. Step 5: Solve for x
    x = 23,543,880,871.68/154,689.60
  6. Step 6: Final answer
    x = 152,200.80

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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.