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Finding the Fourth Proportional to 147,753.54, 221,652.18 and 54,252

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Solution

The fourth proportional to 147,753.54, 221,652.18 and 54,252 is: 81,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,753.54 : 221,652.18 = 54,252 : x
  2. Step 2: Convert to fraction form
    147,753.54/221,652.18 = 54,252/x
  3. Step 3: Cross multiply
    147,753.54x = 221,652.18 × 54,252
  4. Step 4: Simplify right side
    147,753.54x = 12,025,074,069.36
  5. Step 5: Solve for x
    x = 12,025,074,069.36/147,753.54
  6. Step 6: Final answer
    x = 81,386.03

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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.