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Finding the Fourth Proportional to 75,158.88, 103,719.22 and 41,167.07

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Solution

The fourth proportional to 75,158.88, 103,719.22 and 41,167.07 is: 56,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,158.88 : 103,719.22 = 41,167.07 : x
  2. Step 2: Convert to fraction form
    75,158.88/103,719.22 = 41,167.07/x
  3. Step 3: Cross multiply
    75,158.88x = 103,719.22 × 41,167.07
  4. Step 4: Simplify right side
    75,158.88x = 4,269,816,637.23
  5. Step 5: Solve for x
    x = 4,269,816,637.23/75,158.88
  6. Step 6: Final answer
    x = 56,810.54

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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.