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Finding the Fourth Proportional to 141,994.89, 195,554.33 and 138,894.81

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Solution

The fourth proportional to 141,994.89, 195,554.33 and 138,894.81 is: 191,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,994.89 : 195,554.33 = 138,894.81 : x
  2. Step 2: Convert to fraction form
    141,994.89/195,554.33 = 138,894.81/x
  3. Step 3: Cross multiply
    141,994.89x = 195,554.33 × 138,894.81
  4. Step 4: Simplify right side
    141,994.89x = 27,161,481,587.43
  5. Step 5: Solve for x
    x = 27,161,481,587.43/141,994.89
  6. Step 6: Final answer
    x = 191,284.93

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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.