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Finding the Fourth Proportional to 146,551.80, 219,900.60 and 57,808.20

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Solution

The fourth proportional to 146,551.80, 219,900.60 and 57,808.20 is: 86,741.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,551.80 : 219,900.60 = 57,808.20 : x
  2. Step 2: Convert to fraction form
    146,551.80/219,900.60 = 57,808.20/x
  3. Step 3: Cross multiply
    146,551.80x = 219,900.60 × 57,808.20
  4. Step 4: Simplify right side
    146,551.80x = 12,712,057,864.92
  5. Step 5: Solve for x
    x = 12,712,057,864.92/146,551.80
  6. Step 6: Final answer
    x = 86,741.06

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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.