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Finding the Fourth Proportional to 112,551.52, 168,499.22 and 97,512.26

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Solution

The fourth proportional to 112,551.52, 168,499.22 and 97,512.26 is: 145,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,551.52 : 168,499.22 = 97,512.26 : x
  2. Step 2: Convert to fraction form
    112,551.52/168,499.22 = 97,512.26/x
  3. Step 3: Cross multiply
    112,551.52x = 168,499.22 × 97,512.26
  4. Step 4: Simplify right side
    112,551.52x = 16,430,739,750.44
  5. Step 5: Solve for x
    x = 16,430,739,750.44/112,551.52
  6. Step 6: Final answer
    x = 145,984.17

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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.