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Finding the Fourth Proportional to 237,489.48, 356,263.58 and 77,581.51

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Solution

The fourth proportional to 237,489.48, 356,263.58 and 77,581.51 is: 116,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,489.48 : 356,263.58 = 77,581.51 : x
  2. Step 2: Convert to fraction form
    237,489.48/356,263.58 = 77,581.51/x
  3. Step 3: Cross multiply
    237,489.48x = 356,263.58 × 77,581.51
  4. Step 4: Simplify right side
    237,489.48x = 27,639,465,797.70
  5. Step 5: Solve for x
    x = 27,639,465,797.70/237,489.48
  6. Step 6: Final answer
    x = 116,381.85

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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.