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Finding the Fourth Proportional to 187,673.86, 259,008.56 and 107,113.56

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Solution

The fourth proportional to 187,673.86, 259,008.56 and 107,113.56 is: 147,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,673.86 : 259,008.56 = 107,113.56 : x
  2. Step 2: Convert to fraction form
    187,673.86/259,008.56 = 107,113.56/x
  3. Step 3: Cross multiply
    187,673.86x = 259,008.56 × 107,113.56
  4. Step 4: Simplify right side
    187,673.86x = 27,743,328,932.07
  5. Step 5: Solve for x
    x = 27,743,328,932.07/187,673.86
  6. Step 6: Final answer
    x = 147,827.35

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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.