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Finding the Fourth Proportional to 75,101.10, 103,639.71 and 41,568.30

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Solution

The fourth proportional to 75,101.10, 103,639.71 and 41,568.30 is: 57,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.10 : 103,639.71 = 41,568.30 : x
  2. Step 2: Convert to fraction form
    75,101.10/103,639.71 = 41,568.30/x
  3. Step 3: Cross multiply
    75,101.10x = 103,639.71 × 41,568.30
  4. Step 4: Simplify right side
    75,101.10x = 4,308,126,557.19
  5. Step 5: Solve for x
    x = 4,308,126,557.19/75,101.10
  6. Step 6: Final answer
    x = 57,364.36

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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.