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Finding the Fourth Proportional to 114,539.82, 171,919.17 and 70,253.16

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Solution

The fourth proportional to 114,539.82, 171,919.17 and 70,253.16 is: 105,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,539.82 : 171,919.17 = 70,253.16 : x
  2. Step 2: Convert to fraction form
    114,539.82/171,919.17 = 70,253.16/x
  3. Step 3: Cross multiply
    114,539.82x = 171,919.17 × 70,253.16
  4. Step 4: Simplify right side
    114,539.82x = 12,077,864,957.08
  5. Step 5: Solve for x
    x = 12,077,864,957.08/114,539.82
  6. Step 6: Final answer
    x = 105,446.87

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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.