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Finding the Fourth Proportional to 151,858.60, 227,787.90 and 67,618.60

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Solution

The fourth proportional to 151,858.60, 227,787.90 and 67,618.60 is: 101,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,858.60 : 227,787.90 = 67,618.60 : x
  2. Step 2: Convert to fraction form
    151,858.60/227,787.90 = 67,618.60/x
  3. Step 3: Cross multiply
    151,858.60x = 227,787.90 × 67,618.60
  4. Step 4: Simplify right side
    151,858.60x = 15,402,698,894.94
  5. Step 5: Solve for x
    x = 15,402,698,894.94/151,858.60
  6. Step 6: Final answer
    x = 101,427.90

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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.