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Finding the Fourth Proportional to 146,482.56, 219,671.84 and 63,331.20

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Solution

The fourth proportional to 146,482.56, 219,671.84 and 63,331.20 is: 94,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,482.56 : 219,671.84 = 63,331.20 : x
  2. Step 2: Convert to fraction form
    146,482.56/219,671.84 = 63,331.20/x
  3. Step 3: Cross multiply
    146,482.56x = 219,671.84 × 63,331.20
  4. Step 4: Simplify right side
    146,482.56x = 13,912,081,233.41
  5. Step 5: Solve for x
    x = 13,912,081,233.41/146,482.56
  6. Step 6: Final answer
    x = 94,974.32

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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.