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Finding the Fourth Proportional to 65,919.36, 98,291.04 and 58,592.64

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Solution

The fourth proportional to 65,919.36, 98,291.04 and 58,592.64 is: 87,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,919.36 : 98,291.04 = 58,592.64 : x
  2. Step 2: Convert to fraction form
    65,919.36/98,291.04 = 58,592.64/x
  3. Step 3: Cross multiply
    65,919.36x = 98,291.04 × 58,592.64
  4. Step 4: Simplify right side
    65,919.36x = 5,759,131,521.95
  5. Step 5: Solve for x
    x = 5,759,131,521.95/65,919.36
  6. Step 6: Final answer
    x = 87,366.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.