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Finding the Fourth Proportional to 97,659.40, 146,489.10 and 23,787.40

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Solution

The fourth proportional to 97,659.40, 146,489.10 and 23,787.40 is: 35,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,659.40 : 146,489.10 = 23,787.40 : x
  2. Step 2: Convert to fraction form
    97,659.40/146,489.10 = 23,787.40/x
  3. Step 3: Cross multiply
    97,659.40x = 146,489.10 × 23,787.40
  4. Step 4: Simplify right side
    97,659.40x = 3,484,594,817.34
  5. Step 5: Solve for x
    x = 3,484,594,817.34/97,659.40
  6. Step 6: Final answer
    x = 35,681.10

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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.