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Finding the Fourth Proportional to 117,498.80, 176,248.20 and 38,615.60

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Solution

The fourth proportional to 117,498.80, 176,248.20 and 38,615.60 is: 57,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,498.80 : 176,248.20 = 38,615.60 : x
  2. Step 2: Convert to fraction form
    117,498.80/176,248.20 = 38,615.60/x
  3. Step 3: Cross multiply
    117,498.80x = 176,248.20 × 38,615.60
  4. Step 4: Simplify right side
    117,498.80x = 6,805,929,991.92
  5. Step 5: Solve for x
    x = 6,805,929,991.92/117,498.80
  6. Step 6: Final answer
    x = 57,923.40

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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.