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Finding the Fourth Proportional to 124,327.15, 186,492.04 and 99,524.87

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Solution

The fourth proportional to 124,327.15, 186,492.04 and 99,524.87 is: 149,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,327.15 : 186,492.04 = 99,524.87 : x
  2. Step 2: Convert to fraction form
    124,327.15/186,492.04 = 99,524.87/x
  3. Step 3: Cross multiply
    124,327.15x = 186,492.04 × 99,524.87
  4. Step 4: Simplify right side
    124,327.15x = 18,560,596,037.03
  5. Step 5: Solve for x
    x = 18,560,596,037.03/124,327.15
  6. Step 6: Final answer
    x = 149,288.36

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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.