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Finding the Fourth Proportional to 163,051.70, 244,565.40 and 68,257.40

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Solution

The fourth proportional to 163,051.70, 244,565.40 and 68,257.40 is: 102,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,051.70 : 244,565.40 = 68,257.40 : x
  2. Step 2: Convert to fraction form
    163,051.70/244,565.40 = 68,257.40/x
  3. Step 3: Cross multiply
    163,051.70x = 244,565.40 × 68,257.40
  4. Step 4: Simplify right side
    163,051.70x = 16,693,398,333.96
  5. Step 5: Solve for x
    x = 16,693,398,333.96/163,051.70
  6. Step 6: Final answer
    x = 102,381.01

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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.