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Finding the Fourth Proportional to 134,772.80, 201,891.90 and 118,151.60

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Solution

The fourth proportional to 134,772.80, 201,891.90 and 118,151.60 is: 176,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,772.80 : 201,891.90 = 118,151.60 : x
  2. Step 2: Convert to fraction form
    134,772.80/201,891.90 = 118,151.60/x
  3. Step 3: Cross multiply
    134,772.80x = 201,891.90 × 118,151.60
  4. Step 4: Simplify right side
    134,772.80x = 23,853,851,012.04
  5. Step 5: Solve for x
    x = 23,853,851,012.04/134,772.80
  6. Step 6: Final answer
    x = 176,993.07

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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.