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Finding the Fourth Proportional to 136,225.94, 187,891.26 and 93,798.14

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Solution

The fourth proportional to 136,225.94, 187,891.26 and 93,798.14 is: 129,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,225.94 : 187,891.26 = 93,798.14 : x
  2. Step 2: Convert to fraction form
    136,225.94/187,891.26 = 93,798.14/x
  3. Step 3: Cross multiply
    136,225.94x = 187,891.26 × 93,798.14
  4. Step 4: Simplify right side
    136,225.94x = 17,623,850,710.26
  5. Step 5: Solve for x
    x = 17,623,850,710.26/136,225.94
  6. Step 6: Final answer
    x = 129,372.21

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Why These Related Problems?

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