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Finding the Fourth Proportional to 118,136.88, 176,452.28 and 106,874.94

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Solution

The fourth proportional to 118,136.88, 176,452.28 and 106,874.94 is: 159,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,136.88 : 176,452.28 = 106,874.94 : x
  2. Step 2: Convert to fraction form
    118,136.88/176,452.28 = 106,874.94/x
  3. Step 3: Cross multiply
    118,136.88x = 176,452.28 × 106,874.94
  4. Step 4: Simplify right side
    118,136.88x = 18,858,326,303.49
  5. Step 5: Solve for x
    x = 18,858,326,303.49/118,136.88
  6. Step 6: Final answer
    x = 159,631.15

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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.