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Finding the Fourth Proportional to 227,859.60, 341,789.40 and 70,087.80

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Solution

The fourth proportional to 227,859.60, 341,789.40 and 70,087.80 is: 105,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,859.60 : 341,789.40 = 70,087.80 : x
  2. Step 2: Convert to fraction form
    227,859.60/341,789.40 = 70,087.80/x
  3. Step 3: Cross multiply
    227,859.60x = 341,789.40 × 70,087.80
  4. Step 4: Simplify right side
    227,859.60x = 23,955,267,109.32
  5. Step 5: Solve for x
    x = 23,955,267,109.32/227,859.60
  6. Step 6: Final answer
    x = 105,131.70

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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.