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Finding the Fourth Proportional to 75,207.78, 103,787.07 and 41,673.78

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Solution

The fourth proportional to 75,207.78, 103,787.07 and 41,673.78 is: 57,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,207.78 : 103,787.07 = 41,673.78 : x
  2. Step 2: Convert to fraction form
    75,207.78/103,787.07 = 41,673.78/x
  3. Step 3: Cross multiply
    75,207.78x = 103,787.07 × 41,673.78
  4. Step 4: Simplify right side
    75,207.78x = 4,325,199,522.02
  5. Step 5: Solve for x
    x = 4,325,199,522.02/75,207.78
  6. Step 6: Final answer
    x = 57,510.00

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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.