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Finding the Fourth Proportional to 73,775.64, 101,807.42 and 43,570.71

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Solution

The fourth proportional to 73,775.64, 101,807.42 and 43,570.71 is: 60,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,775.64 : 101,807.42 = 43,570.71 : x
  2. Step 2: Convert to fraction form
    73,775.64/101,807.42 = 43,570.71/x
  3. Step 3: Cross multiply
    73,775.64x = 101,807.42 × 43,570.71
  4. Step 4: Simplify right side
    73,775.64x = 4,435,821,354.81
  5. Step 5: Solve for x
    x = 4,435,821,354.81/73,775.64
  6. Step 6: Final answer
    x = 60,125.82

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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.