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Finding the Fourth Proportional to 118,185.19, 177,279.32 and 39,299.41

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Solution

The fourth proportional to 118,185.19, 177,279.32 and 39,299.41 is: 58,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,185.19 : 177,279.32 = 39,299.41 : x
  2. Step 2: Convert to fraction form
    118,185.19/177,279.32 = 39,299.41/x
  3. Step 3: Cross multiply
    118,185.19x = 177,279.32 × 39,299.41
  4. Step 4: Simplify right side
    118,185.19x = 6,966,972,681.20
  5. Step 5: Solve for x
    x = 6,966,972,681.20/118,185.19
  6. Step 6: Final answer
    x = 58,949.63

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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.