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Finding the Fourth Proportional to 174,876.60, 262,314.90 and 108,521.40

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Solution

The fourth proportional to 174,876.60, 262,314.90 and 108,521.40 is: 162,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,876.60 : 262,314.90 = 108,521.40 : x
  2. Step 2: Convert to fraction form
    174,876.60/262,314.90 = 108,521.40/x
  3. Step 3: Cross multiply
    174,876.60x = 262,314.90 × 108,521.40
  4. Step 4: Simplify right side
    174,876.60x = 28,466,780,188.86
  5. Step 5: Solve for x
    x = 28,466,780,188.86/174,876.60
  6. Step 6: Final answer
    x = 162,782.10

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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.