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Finding the Fourth Proportional to 75,094.92, 103,627.56 and 43,268.40

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Solution

The fourth proportional to 75,094.92, 103,627.56 and 43,268.40 is: 59,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,094.92 : 103,627.56 = 43,268.40 : x
  2. Step 2: Convert to fraction form
    75,094.92/103,627.56 = 43,268.40/x
  3. Step 3: Cross multiply
    75,094.92x = 103,627.56 × 43,268.40
  4. Step 4: Simplify right side
    75,094.92x = 4,483,798,717.10
  5. Step 5: Solve for x
    x = 4,483,798,717.10/75,094.92
  6. Step 6: Final answer
    x = 59,708.42

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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.