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Finding the Fourth Proportional to 115,055.70, 172,513.08 and 44,853

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Solution

The fourth proportional to 115,055.70, 172,513.08 and 44,853 is: 67,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,055.70 : 172,513.08 = 44,853 : x
  2. Step 2: Convert to fraction form
    115,055.70/172,513.08 = 44,853/x
  3. Step 3: Cross multiply
    115,055.70x = 172,513.08 × 44,853
  4. Step 4: Simplify right side
    115,055.70x = 7,737,729,177.24
  5. Step 5: Solve for x
    x = 7,737,729,177.24/115,055.70
  6. Step 6: Final answer
    x = 67,252.03

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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.