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Finding the Fourth Proportional to 168,706.83, 232,495.20 and 120,877.14

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Solution

The fourth proportional to 168,706.83, 232,495.20 and 120,877.14 is: 166,581.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,706.83 : 232,495.20 = 120,877.14 : x
  2. Step 2: Convert to fraction form
    168,706.83/232,495.20 = 120,877.14/x
  3. Step 3: Cross multiply
    168,706.83x = 232,495.20 × 120,877.14
  4. Step 4: Simplify right side
    168,706.83x = 28,103,354,839.73
  5. Step 5: Solve for x
    x = 28,103,354,839.73/168,706.83
  6. Step 6: Final answer
    x = 166,581.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.