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Finding the Fourth Proportional to 177,130.20, 266,104.90 and 121,834.20

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Solution

The fourth proportional to 177,130.20, 266,104.90 and 121,834.20 is: 183,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,130.20 : 266,104.90 = 121,834.20 : x
  2. Step 2: Convert to fraction form
    177,130.20/266,104.90 = 121,834.20/x
  3. Step 3: Cross multiply
    177,130.20x = 266,104.90 × 121,834.20
  4. Step 4: Simplify right side
    177,130.20x = 32,420,677,607.58
  5. Step 5: Solve for x
    x = 32,420,677,607.58/177,130.20
  6. Step 6: Final answer
    x = 183,033.03

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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.