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Finding the Fourth Proportional to 75,322.48, 103,941.52 and 41,330.12

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Solution

The fourth proportional to 75,322.48, 103,941.52 and 41,330.12 is: 57,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,322.48 : 103,941.52 = 41,330.12 : x
  2. Step 2: Convert to fraction form
    75,322.48/103,941.52 = 41,330.12/x
  3. Step 3: Cross multiply
    75,322.48x = 103,941.52 × 41,330.12
  4. Step 4: Simplify right side
    75,322.48x = 4,295,915,494.58
  5. Step 5: Solve for x
    x = 4,295,915,494.58/75,322.48
  6. Step 6: Final answer
    x = 57,033.64

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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.