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Finding the Fourth Proportional to 75,913.59, 104,804.48 and 50,454.48

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Solution

The fourth proportional to 75,913.59, 104,804.48 and 50,454.48 is: 69,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,913.59 : 104,804.48 = 50,454.48 : x
  2. Step 2: Convert to fraction form
    75,913.59/104,804.48 = 50,454.48/x
  3. Step 3: Cross multiply
    75,913.59x = 104,804.48 × 50,454.48
  4. Step 4: Simplify right side
    75,913.59x = 5,287,855,540.07
  5. Step 5: Solve for x
    x = 5,287,855,540.07/75,913.59
  6. Step 6: Final answer
    x = 69,656.24

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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.