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Finding the Fourth Proportional to 118,188.72, 177,279.84 and 39,304.44

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Solution

The fourth proportional to 118,188.72, 177,279.84 and 39,304.44 is: 58,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,188.72 : 177,279.84 = 39,304.44 : x
  2. Step 2: Convert to fraction form
    118,188.72/177,279.84 = 39,304.44/x
  3. Step 3: Cross multiply
    118,188.72x = 177,279.84 × 39,304.44
  4. Step 4: Simplify right side
    118,188.72x = 6,967,884,834.49
  5. Step 5: Solve for x
    x = 6,967,884,834.49/118,188.72
  6. Step 6: Final answer
    x = 58,955.58

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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.