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Finding the Fourth Proportional to 61,064.86, 91,455.14 and 59,383.30

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Solution

The fourth proportional to 61,064.86, 91,455.14 and 59,383.30 is: 88,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,064.86 : 91,455.14 = 59,383.30 : x
  2. Step 2: Convert to fraction form
    61,064.86/91,455.14 = 59,383.30/x
  3. Step 3: Cross multiply
    61,064.86x = 91,455.14 × 59,383.30
  4. Step 4: Simplify right side
    61,064.86x = 5,430,908,015.16
  5. Step 5: Solve for x
    x = 5,430,908,015.16/61,064.86
  6. Step 6: Final answer
    x = 88,936.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.