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Finding the Fourth Proportional to 97,612.91, 146,252.04 and 65,531.89

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Solution

The fourth proportional to 97,612.91, 146,252.04 and 65,531.89 is: 98,185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,612.91 : 146,252.04 = 65,531.89 : x
  2. Step 2: Convert to fraction form
    97,612.91/146,252.04 = 65,531.89/x
  3. Step 3: Cross multiply
    97,612.91x = 146,252.04 × 65,531.89
  4. Step 4: Simplify right side
    97,612.91x = 9,584,171,866.30
  5. Step 5: Solve for x
    x = 9,584,171,866.30/97,612.91
  6. Step 6: Final answer
    x = 98,185.50

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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.