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Finding the Fourth Proportional to 167,281.12, 230,841.72 and 90,798.58

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Solution

The fourth proportional to 167,281.12, 230,841.72 and 90,798.58 is: 125,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,281.12 : 230,841.72 = 90,798.58 : x
  2. Step 2: Convert to fraction form
    167,281.12/230,841.72 = 90,798.58/x
  3. Step 3: Cross multiply
    167,281.12x = 230,841.72 × 90,798.58
  4. Step 4: Simplify right side
    167,281.12x = 20,960,100,380.76
  5. Step 5: Solve for x
    x = 20,960,100,380.76/167,281.12
  6. Step 6: Final answer
    x = 125,298.66

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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.