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Finding the Fourth Proportional to 178,570.59, 246,211.89 and 154,327.70

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Solution

The fourth proportional to 178,570.59, 246,211.89 and 154,327.70 is: 212,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,570.59 : 246,211.89 = 154,327.70 : x
  2. Step 2: Convert to fraction form
    178,570.59/246,211.89 = 154,327.70/x
  3. Step 3: Cross multiply
    178,570.59x = 246,211.89 × 154,327.70
  4. Step 4: Simplify right side
    178,570.59x = 37,997,313,465.29
  5. Step 5: Solve for x
    x = 37,997,313,465.29/178,570.59
  6. Step 6: Final answer
    x = 212,785.95

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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.