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Finding the Fourth Proportional to 174,805.20, 262,402.20 and 108,320.40

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Solution

The fourth proportional to 174,805.20, 262,402.20 and 108,320.40 is: 162,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,805.20 : 262,402.20 = 108,320.40 : x
  2. Step 2: Convert to fraction form
    174,805.20/262,402.20 = 108,320.40/x
  3. Step 3: Cross multiply
    174,805.20x = 262,402.20 × 108,320.40
  4. Step 4: Simplify right side
    174,805.20x = 28,423,511,264.88
  5. Step 5: Solve for x
    x = 28,423,511,264.88/174,805.20
  6. Step 6: Final answer
    x = 162,601.06

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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.