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Finding the Fourth Proportional to 113,294.02, 156,328.23 and 65,551.82

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Solution

The fourth proportional to 113,294.02, 156,328.23 and 65,551.82 is: 90,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,294.02 : 156,328.23 = 65,551.82 : x
  2. Step 2: Convert to fraction form
    113,294.02/156,328.23 = 65,551.82/x
  3. Step 3: Cross multiply
    113,294.02x = 156,328.23 × 65,551.82
  4. Step 4: Simplify right side
    113,294.02x = 10,247,599,993.88
  5. Step 5: Solve for x
    x = 10,247,599,993.88/113,294.02
  6. Step 6: Final answer
    x = 90,451.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.