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Finding the Fourth Proportional to 124,414.08, 171,692.02 and 70,702

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Solution

The fourth proportional to 124,414.08, 171,692.02 and 70,702 is: 97,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,414.08 : 171,692.02 = 70,702 : x
  2. Step 2: Convert to fraction form
    124,414.08/171,692.02 = 70,702/x
  3. Step 3: Cross multiply
    124,414.08x = 171,692.02 × 70,702
  4. Step 4: Simplify right side
    124,414.08x = 12,138,969,198.04
  5. Step 5: Solve for x
    x = 12,138,969,198.04/124,414.08
  6. Step 6: Final answer
    x = 97,569.10

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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.