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Finding the Fourth Proportional to 125,996.52, 173,875.50 and 69,408.84

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Solution

The fourth proportional to 125,996.52, 173,875.50 and 69,408.84 is: 95,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,996.52 : 173,875.50 = 69,408.84 : x
  2. Step 2: Convert to fraction form
    125,996.52/173,875.50 = 69,408.84/x
  3. Step 3: Cross multiply
    125,996.52x = 173,875.50 × 69,408.84
  4. Step 4: Simplify right side
    125,996.52x = 12,068,496,759.42
  5. Step 5: Solve for x
    x = 12,068,496,759.42/125,996.52
  6. Step 6: Final answer
    x = 95,784.37

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1.5x scale

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.