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Finding the Fourth Proportional to 109,816, 151,562.34 and 69,533.50

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Solution

The fourth proportional to 109,816, 151,562.34 and 69,533.50 is: 95,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,816 : 151,562.34 = 69,533.50 : x
  2. Step 2: Convert to fraction form
    109,816/151,562.34 = 69,533.50/x
  3. Step 3: Cross multiply
    109,816x = 151,562.34 × 69,533.50
  4. Step 4: Simplify right side
    109,816x = 10,538,659,968.39
  5. Step 5: Solve for x
    x = 10,538,659,968.39/109,816
  6. Step 6: Final answer
    x = 95,966.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.