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Finding the Fourth Proportional to 179,626.90, 269,440.35 and 151,978.90

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Solution

The fourth proportional to 179,626.90, 269,440.35 and 151,978.90 is: 227,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,626.90 : 269,440.35 = 151,978.90 : x
  2. Step 2: Convert to fraction form
    179,626.90/269,440.35 = 151,978.90/x
  3. Step 3: Cross multiply
    179,626.90x = 269,440.35 × 151,978.90
  4. Step 4: Simplify right side
    179,626.90x = 40,949,248,008.62
  5. Step 5: Solve for x
    x = 40,949,248,008.62/179,626.90
  6. Step 6: Final answer
    x = 227,968.35

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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.