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Finding the Fourth Proportional to 83,118.52, 114,668.76 and 50,828.68

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Solution

The fourth proportional to 83,118.52, 114,668.76 and 50,828.68 is: 70,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,118.52 : 114,668.76 = 50,828.68 : x
  2. Step 2: Convert to fraction form
    83,118.52/114,668.76 = 50,828.68/x
  3. Step 3: Cross multiply
    83,118.52x = 114,668.76 × 50,828.68
  4. Step 4: Simplify right side
    83,118.52x = 5,828,461,708.04
  5. Step 5: Solve for x
    x = 5,828,461,708.04/83,118.52
  6. Step 6: Final answer
    x = 70,122.30

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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.