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Finding the Fourth Proportional to 268,659.98, 370,753.18 and 146,155.03

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Solution

The fourth proportional to 268,659.98, 370,753.18 and 146,155.03 is: 201,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,659.98 : 370,753.18 = 146,155.03 : x
  2. Step 2: Convert to fraction form
    268,659.98/370,753.18 = 146,155.03/x
  3. Step 3: Cross multiply
    268,659.98x = 370,753.18 × 146,155.03
  4. Step 4: Simplify right side
    268,659.98x = 54,187,440,853.22
  5. Step 5: Solve for x
    x = 54,187,440,853.22/268,659.98
  6. Step 6: Final answer
    x = 201,695.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.