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Finding the Fourth Proportional to 69,452.52, 96,030.81 and 66,259.50

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Solution

The fourth proportional to 69,452.52, 96,030.81 and 66,259.50 is: 91,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,452.52 : 96,030.81 = 66,259.50 : x
  2. Step 2: Convert to fraction form
    69,452.52/96,030.81 = 66,259.50/x
  3. Step 3: Cross multiply
    69,452.52x = 96,030.81 × 66,259.50
  4. Step 4: Simplify right side
    69,452.52x = 6,362,953,455.20
  5. Step 5: Solve for x
    x = 6,362,953,455.20/69,452.52
  6. Step 6: Final answer
    x = 91,615.88

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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.