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Finding the Fourth Proportional to 73,578.57, 101,541.75 and 43,365.16

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Solution

The fourth proportional to 73,578.57, 101,541.75 and 43,365.16 is: 59,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,578.57 : 101,541.75 = 43,365.16 : x
  2. Step 2: Convert to fraction form
    73,578.57/101,541.75 = 43,365.16/x
  3. Step 3: Cross multiply
    73,578.57x = 101,541.75 × 43,365.16
  4. Step 4: Simplify right side
    73,578.57x = 4,403,374,235.43
  5. Step 5: Solve for x
    x = 4,403,374,235.43/73,578.57
  6. Step 6: Final answer
    x = 59,845.88

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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.