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Finding the Fourth Proportional to 125,216.33, 172,798.20 and 67,857.23

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Solution

The fourth proportional to 125,216.33, 172,798.20 and 67,857.23 is: 93,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,216.33 : 172,798.20 = 67,857.23 : x
  2. Step 2: Convert to fraction form
    125,216.33/172,798.20 = 67,857.23/x
  3. Step 3: Cross multiply
    125,216.33x = 172,798.20 × 67,857.23
  4. Step 4: Simplify right side
    125,216.33x = 11,725,607,632.98
  5. Step 5: Solve for x
    x = 11,725,607,632.98/125,216.33
  6. Step 6: Final answer
    x = 93,642.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.