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Finding the Fourth Proportional to 119,794.60, 179,400.30 and 57,392.20

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Solution

The fourth proportional to 119,794.60, 179,400.30 and 57,392.20 is: 85,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,794.60 : 179,400.30 = 57,392.20 : x
  2. Step 2: Convert to fraction form
    119,794.60/179,400.30 = 57,392.20/x
  3. Step 3: Cross multiply
    119,794.60x = 179,400.30 × 57,392.20
  4. Step 4: Simplify right side
    119,794.60x = 10,296,177,897.66
  5. Step 5: Solve for x
    x = 10,296,177,897.66/119,794.60
  6. Step 6: Final answer
    x = 85,948.60

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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.