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Finding the Fourth Proportional to 119,262, 164,581.56 and 68,964.24

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Solution

The fourth proportional to 119,262, 164,581.56 and 68,964.24 is: 95,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,262 : 164,581.56 = 68,964.24 : x
  2. Step 2: Convert to fraction form
    119,262/164,581.56 = 68,964.24/x
  3. Step 3: Cross multiply
    119,262x = 164,581.56 × 68,964.24
  4. Step 4: Simplify right side
    119,262x = 11,350,242,203.41
  5. Step 5: Solve for x
    x = 11,350,242,203.41/119,262
  6. Step 6: Final answer
    x = 95,170.65

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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.