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Finding the Fourth Proportional to 167,358.12, 252,287 and 153,171.76

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Solution

The fourth proportional to 167,358.12, 252,287 and 153,171.76 is: 230,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,358.12 : 252,287 = 153,171.76 : x
  2. Step 2: Convert to fraction form
    167,358.12/252,287 = 153,171.76/x
  3. Step 3: Cross multiply
    167,358.12x = 252,287 × 153,171.76
  4. Step 4: Simplify right side
    167,358.12x = 38,643,243,815.12
  5. Step 5: Solve for x
    x = 38,643,243,815.12/167,358.12
  6. Step 6: Final answer
    x = 230,901.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.