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Finding the Fourth Proportional to 75,270.88, 103,862.01 and 43,433.74

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Solution

The fourth proportional to 75,270.88, 103,862.01 and 43,433.74 is: 59,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,270.88 : 103,862.01 = 43,433.74 : x
  2. Step 2: Convert to fraction form
    75,270.88/103,862.01 = 43,433.74/x
  3. Step 3: Cross multiply
    75,270.88x = 103,862.01 × 43,433.74
  4. Step 4: Simplify right side
    75,270.88x = 4,511,115,538.22
  5. Step 5: Solve for x
    x = 4,511,115,538.22/75,270.88
  6. Step 6: Final answer
    x = 59,931.75

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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.