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Finding the Fourth Proportional to 75,772.52, 104,610.88 and 67,365.76

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Solution

The fourth proportional to 75,772.52, 104,610.88 and 67,365.76 is: 93,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,772.52 : 104,610.88 = 67,365.76 : x
  2. Step 2: Convert to fraction form
    75,772.52/104,610.88 = 67,365.76/x
  3. Step 3: Cross multiply
    75,772.52x = 104,610.88 × 67,365.76
  4. Step 4: Simplify right side
    75,772.52x = 7,047,191,435.47
  5. Step 5: Solve for x
    x = 7,047,191,435.47/75,772.52
  6. Step 6: Final answer
    x = 93,004.58

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1.5x scale

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.