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Finding the Fourth Proportional to 97,348.91, 145,972.46 and 43,995.02

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Solution

The fourth proportional to 97,348.91, 145,972.46 and 43,995.02 is: 65,969.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,348.91 : 145,972.46 = 43,995.02 : x
  2. Step 2: Convert to fraction form
    97,348.91/145,972.46 = 43,995.02/x
  3. Step 3: Cross multiply
    97,348.91x = 145,972.46 × 43,995.02
  4. Step 4: Simplify right side
    97,348.91x = 6,422,060,677.27
  5. Step 5: Solve for x
    x = 6,422,060,677.27/97,348.91
  6. Step 6: Final answer
    x = 65,969.52

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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.