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Finding the Fourth Proportional to 119,305.95, 178,954.82 and 30,560.22

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Solution

The fourth proportional to 119,305.95, 178,954.82 and 30,560.22 is: 45,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,305.95 : 178,954.82 = 30,560.22 : x
  2. Step 2: Convert to fraction form
    119,305.95/178,954.82 = 30,560.22/x
  3. Step 3: Cross multiply
    119,305.95x = 178,954.82 × 30,560.22
  4. Step 4: Simplify right side
    119,305.95x = 5,468,898,631.06
  5. Step 5: Solve for x
    x = 5,468,898,631.06/119,305.95
  6. Step 6: Final answer
    x = 45,839.28

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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.