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Finding the Fourth Proportional to 125,617.26, 188,411.04 and 41,356.74

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Solution

The fourth proportional to 125,617.26, 188,411.04 and 41,356.74 is: 62,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,617.26 : 188,411.04 = 41,356.74 : x
  2. Step 2: Convert to fraction form
    125,617.26/188,411.04 = 41,356.74/x
  3. Step 3: Cross multiply
    125,617.26x = 188,411.04 × 41,356.74
  4. Step 4: Simplify right side
    125,617.26x = 7,792,066,394.41
  5. Step 5: Solve for x
    x = 7,792,066,394.41/125,617.26
  6. Step 6: Final answer
    x = 62,030.22

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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.