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Finding the Fourth Proportional to 65,903.20, 98,660.40 and 62,058.40

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Solution

The fourth proportional to 65,903.20, 98,660.40 and 62,058.40 is: 92,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,903.20 : 98,660.40 = 62,058.40 : x
  2. Step 2: Convert to fraction form
    65,903.20/98,660.40 = 62,058.40/x
  3. Step 3: Cross multiply
    65,903.20x = 98,660.40 × 62,058.40
  4. Step 4: Simplify right side
    65,903.20x = 6,122,706,567.36
  5. Step 5: Solve for x
    x = 6,122,706,567.36/65,903.20
  6. Step 6: Final answer
    x = 92,904.54

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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.