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Finding the Fourth Proportional to 146,995.80, 220,385.70 and 58,205.40

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Solution

The fourth proportional to 146,995.80, 220,385.70 and 58,205.40 is: 87,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,995.80 : 220,385.70 = 58,205.40 : x
  2. Step 2: Convert to fraction form
    146,995.80/220,385.70 = 58,205.40/x
  3. Step 3: Cross multiply
    146,995.80x = 220,385.70 × 58,205.40
  4. Step 4: Simplify right side
    146,995.80x = 12,827,637,822.78
  5. Step 5: Solve for x
    x = 12,827,637,822.78/146,995.80
  6. Step 6: Final answer
    x = 87,265.34

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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.