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Finding the Fourth Proportional to 65,059.09, 97,318.67 and 61,073.28

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Solution

The fourth proportional to 65,059.09, 97,318.67 and 61,073.28 is: 91,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,059.09 : 97,318.67 = 61,073.28 : x
  2. Step 2: Convert to fraction form
    65,059.09/97,318.67 = 61,073.28/x
  3. Step 3: Cross multiply
    65,059.09x = 97,318.67 × 61,073.28
  4. Step 4: Simplify right side
    65,059.09x = 5,943,570,865.79
  5. Step 5: Solve for x
    x = 5,943,570,865.79/65,059.09
  6. Step 6: Final answer
    x = 91,356.50

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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.