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Finding the Fourth Proportional to 74,867.68, 103,317.42 and 41,333.68

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Solution

The fourth proportional to 74,867.68, 103,317.42 and 41,333.68 is: 57,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,867.68 : 103,317.42 = 41,333.68 : x
  2. Step 2: Convert to fraction form
    74,867.68/103,317.42 = 41,333.68/x
  3. Step 3: Cross multiply
    74,867.68x = 103,317.42 × 41,333.68
  4. Step 4: Simplify right side
    74,867.68x = 4,270,489,176.71
  5. Step 5: Solve for x
    x = 4,270,489,176.71/74,867.68
  6. Step 6: Final answer
    x = 57,040.49

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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.