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Finding the Fourth Proportional to 187,892.98, 259,292.25 and 103,008.22

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Solution

The fourth proportional to 187,892.98, 259,292.25 and 103,008.22 is: 142,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,892.98 : 259,292.25 = 103,008.22 : x
  2. Step 2: Convert to fraction form
    187,892.98/259,292.25 = 103,008.22/x
  3. Step 3: Cross multiply
    187,892.98x = 259,292.25 × 103,008.22
  4. Step 4: Simplify right side
    187,892.98x = 26,709,233,132.30
  5. Step 5: Solve for x
    x = 26,709,233,132.30/187,892.98
  6. Step 6: Final answer
    x = 142,151.31

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1.5x scale

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.