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Finding the Fourth Proportional to 146,808.80, 220,148.40 and 58,032.80

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Solution

The fourth proportional to 146,808.80, 220,148.40 and 58,032.80 is: 87,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,808.80 : 220,148.40 = 58,032.80 : x
  2. Step 2: Convert to fraction form
    146,808.80/220,148.40 = 58,032.80/x
  3. Step 3: Cross multiply
    146,808.80x = 220,148.40 × 58,032.80
  4. Step 4: Simplify right side
    146,808.80x = 12,775,828,067.52
  5. Step 5: Solve for x
    x = 12,775,828,067.52/146,808.80
  6. Step 6: Final answer
    x = 87,023.58

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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.