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Finding the Fourth Proportional to 167,246.39, 230,878.55 and 112,149.50

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Solution

The fourth proportional to 167,246.39, 230,878.55 and 112,149.50 is: 154,818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,246.39 : 230,878.55 = 112,149.50 : x
  2. Step 2: Convert to fraction form
    167,246.39/230,878.55 = 112,149.50/x
  3. Step 3: Cross multiply
    167,246.39x = 230,878.55 × 112,149.50
  4. Step 4: Simplify right side
    167,246.39x = 25,892,913,069.21
  5. Step 5: Solve for x
    x = 25,892,913,069.21/167,246.39
  6. Step 6: Final answer
    x = 154,818.96

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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.