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Finding the Fourth Proportional to 113,323.91, 169,991.93 and 29,084.81

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Solution

The fourth proportional to 113,323.91, 169,991.93 and 29,084.81 is: 43,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,323.91 : 169,991.93 = 29,084.81 : x
  2. Step 2: Convert to fraction form
    113,323.91/169,991.93 = 29,084.81/x
  3. Step 3: Cross multiply
    113,323.91x = 169,991.93 × 29,084.81
  4. Step 4: Simplify right side
    113,323.91x = 4,944,182,208.34
  5. Step 5: Solve for x
    x = 4,944,182,208.34/113,323.91
  6. Step 6: Final answer
    x = 43,628.77

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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.