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Finding the Fourth Proportional to 147,903.60, 221,855.40 and 110,724.60

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Solution

The fourth proportional to 147,903.60, 221,855.40 and 110,724.60 is: 166,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,903.60 : 221,855.40 = 110,724.60 : x
  2. Step 2: Convert to fraction form
    147,903.60/221,855.40 = 110,724.60/x
  3. Step 3: Cross multiply
    147,903.60x = 221,855.40 × 110,724.60
  4. Step 4: Simplify right side
    147,903.60x = 24,564,850,422.84
  5. Step 5: Solve for x
    x = 24,564,850,422.84/147,903.60
  6. Step 6: Final answer
    x = 166,086.90

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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.