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Finding the Fourth Proportional to 61,969.60, 93,027.30 and 61,532.20

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Solution

The fourth proportional to 61,969.60, 93,027.30 and 61,532.20 is: 92,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.60 : 93,027.30 = 61,532.20 : x
  2. Step 2: Convert to fraction form
    61,969.60/93,027.30 = 61,532.20/x
  3. Step 3: Cross multiply
    61,969.60x = 93,027.30 × 61,532.20
  4. Step 4: Simplify right side
    61,969.60x = 5,724,174,429.06
  5. Step 5: Solve for x
    x = 5,724,174,429.06/61,969.60
  6. Step 6: Final answer
    x = 92,370.69

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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.