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Finding the Fourth Proportional to 83,503.66, 115,239.81 and 49,532.26

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Solution

The fourth proportional to 83,503.66, 115,239.81 and 49,532.26 is: 68,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,503.66 : 115,239.81 = 49,532.26 : x
  2. Step 2: Convert to fraction form
    83,503.66/115,239.81 = 49,532.26/x
  3. Step 3: Cross multiply
    83,503.66x = 115,239.81 × 49,532.26
  4. Step 4: Simplify right side
    83,503.66x = 5,708,088,231.27
  5. Step 5: Solve for x
    x = 5,708,088,231.27/83,503.66
  6. Step 6: Final answer
    x = 68,357.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.