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Finding the Fourth Proportional to 117,934.40, 176,594.40 and 112,404.80

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Solution

The fourth proportional to 117,934.40, 176,594.40 and 112,404.80 is: 168,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,934.40 : 176,594.40 = 112,404.80 : x
  2. Step 2: Convert to fraction form
    117,934.40/176,594.40 = 112,404.80/x
  3. Step 3: Cross multiply
    117,934.40x = 176,594.40 × 112,404.80
  4. Step 4: Simplify right side
    117,934.40x = 19,850,058,213.12
  5. Step 5: Solve for x
    x = 19,850,058,213.12/117,934.40
  6. Step 6: Final answer
    x = 168,314.40

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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.