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Finding the Fourth Proportional to 118,858.17, 177,239.67 and 117,792.21

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Solution

The fourth proportional to 118,858.17, 177,239.67 and 117,792.21 is: 175,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,858.17 : 177,239.67 = 117,792.21 : x
  2. Step 2: Convert to fraction form
    118,858.17/177,239.67 = 117,792.21/x
  3. Step 3: Cross multiply
    118,858.17x = 177,239.67 × 117,792.21
  4. Step 4: Simplify right side
    118,858.17x = 20,877,452,428.97
  5. Step 5: Solve for x
    x = 20,877,452,428.97/118,858.17
  6. Step 6: Final answer
    x = 175,650.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.