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Finding the Fourth Proportional to 215,267.94, 322,726.92 and 75,124.98

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Solution

The fourth proportional to 215,267.94, 322,726.92 and 75,124.98 is: 112,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,267.94 : 322,726.92 = 75,124.98 : x
  2. Step 2: Convert to fraction form
    215,267.94/322,726.92 = 75,124.98/x
  3. Step 3: Cross multiply
    215,267.94x = 322,726.92 × 75,124.98
  4. Step 4: Simplify right side
    215,267.94x = 24,244,853,410.46
  5. Step 5: Solve for x
    x = 24,244,853,410.46/215,267.94
  6. Step 6: Final answer
    x = 112,626.40

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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.