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Finding the Fourth Proportional to 150,963.60, 226,445.40 and 45,787.80

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Solution

The fourth proportional to 150,963.60, 226,445.40 and 45,787.80 is: 68,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,963.60 : 226,445.40 = 45,787.80 : x
  2. Step 2: Convert to fraction form
    150,963.60/226,445.40 = 45,787.80/x
  3. Step 3: Cross multiply
    150,963.60x = 226,445.40 × 45,787.80
  4. Step 4: Simplify right side
    150,963.60x = 10,368,436,686.12
  5. Step 5: Solve for x
    x = 10,368,436,686.12/150,963.60
  6. Step 6: Final answer
    x = 68,681.70

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1.5x scale

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.