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Finding the Fourth Proportional to 74,205, 111,232.98 and 36,792.27

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Solution

The fourth proportional to 74,205, 111,232.98 and 36,792.27 is: 55,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,205 : 111,232.98 = 36,792.27 : x
  2. Step 2: Convert to fraction form
    74,205/111,232.98 = 36,792.27/x
  3. Step 3: Cross multiply
    74,205x = 111,232.98 × 36,792.27
  4. Step 4: Simplify right side
    74,205x = 4,092,513,833.06
  5. Step 5: Solve for x
    x = 4,092,513,833.06/74,205
  6. Step 6: Final answer
    x = 55,151.46

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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.