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Finding the Fourth Proportional to 113,318.93, 169,977.76 and 29,078.93

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Solution

The fourth proportional to 113,318.93, 169,977.76 and 29,078.93 is: 43,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,318.93 : 169,977.76 = 29,078.93 : x
  2. Step 2: Convert to fraction form
    113,318.93/169,977.76 = 29,078.93/x
  3. Step 3: Cross multiply
    113,318.93x = 169,977.76 × 29,078.93
  4. Step 4: Simplify right side
    113,318.93x = 4,942,771,384.60
  5. Step 5: Solve for x
    x = 4,942,771,384.60/113,318.93
  6. Step 6: Final answer
    x = 43,618.23

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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.