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Finding the Fourth Proportional to 113,873.80, 170,810.70 and 34,987.90

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Solution

The fourth proportional to 113,873.80, 170,810.70 and 34,987.90 is: 52,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,873.80 : 170,810.70 = 34,987.90 : x
  2. Step 2: Convert to fraction form
    113,873.80/170,810.70 = 34,987.90/x
  3. Step 3: Cross multiply
    113,873.80x = 170,810.70 × 34,987.90
  4. Step 4: Simplify right side
    113,873.80x = 5,976,307,690.53
  5. Step 5: Solve for x
    x = 5,976,307,690.53/113,873.80
  6. Step 6: Final answer
    x = 52,481.85

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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.