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Finding the Fourth Proportional to 116,053.76, 174,158.48 and 74,529.92

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Solution

The fourth proportional to 116,053.76, 174,158.48 and 74,529.92 is: 111,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,053.76 : 174,158.48 = 74,529.92 : x
  2. Step 2: Convert to fraction form
    116,053.76/174,158.48 = 74,529.92/x
  3. Step 3: Cross multiply
    116,053.76x = 174,158.48 × 74,529.92
  4. Step 4: Simplify right side
    116,053.76x = 12,980,017,581.72
  5. Step 5: Solve for x
    x = 12,980,017,581.72/116,053.76
  6. Step 6: Final answer
    x = 111,844.87

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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.