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Finding the Fourth Proportional to 173,306.40, 259,959.60 and 169,807.20

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Solution

The fourth proportional to 173,306.40, 259,959.60 and 169,807.20 is: 254,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,306.40 : 259,959.60 = 169,807.20 : x
  2. Step 2: Convert to fraction form
    173,306.40/259,959.60 = 169,807.20/x
  3. Step 3: Cross multiply
    173,306.40x = 259,959.60 × 169,807.20
  4. Step 4: Simplify right side
    173,306.40x = 44,143,011,789.12
  5. Step 5: Solve for x
    x = 44,143,011,789.12/173,306.40
  6. Step 6: Final answer
    x = 254,710.80

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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.