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Finding the Fourth Proportional to 117,347.60, 176,021.40 and 38,469.80

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Solution

The fourth proportional to 117,347.60, 176,021.40 and 38,469.80 is: 57,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,347.60 : 176,021.40 = 38,469.80 : x
  2. Step 2: Convert to fraction form
    117,347.60/176,021.40 = 38,469.80/x
  3. Step 3: Cross multiply
    117,347.60x = 176,021.40 × 38,469.80
  4. Step 4: Simplify right side
    117,347.60x = 6,771,508,053.72
  5. Step 5: Solve for x
    x = 6,771,508,053.72/117,347.60
  6. Step 6: Final answer
    x = 57,704.70

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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.