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Finding the Fourth Proportional to 174,018.80, 260,682.60 and 103,689.20

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Solution

The fourth proportional to 174,018.80, 260,682.60 and 103,689.20 is: 155,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,018.80 : 260,682.60 = 103,689.20 : x
  2. Step 2: Convert to fraction form
    174,018.80/260,682.60 = 103,689.20/x
  3. Step 3: Cross multiply
    174,018.80x = 260,682.60 × 103,689.20
  4. Step 4: Simplify right side
    174,018.80x = 27,029,970,247.92
  5. Step 5: Solve for x
    x = 27,029,970,247.92/174,018.80
  6. Step 6: Final answer
    x = 155,327.87

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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.