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Finding the Fourth Proportional to 195,401.60, 293,750.40 and 169,740.80

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Solution

The fourth proportional to 195,401.60, 293,750.40 and 169,740.80 is: 255,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,401.60 : 293,750.40 = 169,740.80 : x
  2. Step 2: Convert to fraction form
    195,401.60/293,750.40 = 169,740.80/x
  3. Step 3: Cross multiply
    195,401.60x = 293,750.40 × 169,740.80
  4. Step 4: Simplify right side
    195,401.60x = 49,861,427,896.32
  5. Step 5: Solve for x
    x = 49,861,427,896.32/195,401.60
  6. Step 6: Final answer
    x = 255,174.10

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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.