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Finding the Fourth Proportional to 172,476.50, 258,881.57 and 124,494.57

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Solution

The fourth proportional to 172,476.50, 258,881.57 and 124,494.57 is: 186,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,476.50 : 258,881.57 = 124,494.57 : x
  2. Step 2: Convert to fraction form
    172,476.50/258,881.57 = 124,494.57/x
  3. Step 3: Cross multiply
    172,476.50x = 258,881.57 × 124,494.57
  4. Step 4: Simplify right side
    172,476.50x = 32,229,349,115.60
  5. Step 5: Solve for x
    x = 32,229,349,115.60/172,476.50
  6. Step 6: Final answer
    x = 186,862.27

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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.