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Finding the Fourth Proportional to 97,112.62, 145,339.08 and 59,653

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Solution

The fourth proportional to 97,112.62, 145,339.08 and 59,653 is: 89,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,112.62 : 145,339.08 = 59,653 : x
  2. Step 2: Convert to fraction form
    97,112.62/145,339.08 = 59,653/x
  3. Step 3: Cross multiply
    97,112.62x = 145,339.08 × 59,653
  4. Step 4: Simplify right side
    97,112.62x = 8,669,912,139.24
  5. Step 5: Solve for x
    x = 8,669,912,139.24/97,112.62
  6. Step 6: Final answer
    x = 89,276.88

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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.