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Finding the Fourth Proportional to 194,627.80, 291,920.10 and 159,506.20

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Solution

The fourth proportional to 194,627.80, 291,920.10 and 159,506.20 is: 239,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,627.80 : 291,920.10 = 159,506.20 : x
  2. Step 2: Convert to fraction form
    194,627.80/291,920.10 = 159,506.20/x
  3. Step 3: Cross multiply
    194,627.80x = 291,920.10 × 159,506.20
  4. Step 4: Simplify right side
    194,627.80x = 46,563,065,854.62
  5. Step 5: Solve for x
    x = 46,563,065,854.62/194,627.80
  6. Step 6: Final answer
    x = 239,241.60

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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.