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Finding the Fourth Proportional to 224,661.14, 336,991.08 and 91,510.10

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Solution

The fourth proportional to 224,661.14, 336,991.08 and 91,510.10 is: 137,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,661.14 : 336,991.08 = 91,510.10 : x
  2. Step 2: Convert to fraction form
    224,661.14/336,991.08 = 91,510.10/x
  3. Step 3: Cross multiply
    224,661.14x = 336,991.08 × 91,510.10
  4. Step 4: Simplify right side
    224,661.14x = 30,838,087,429.91
  5. Step 5: Solve for x
    x = 30,838,087,429.91/224,661.14
  6. Step 6: Final answer
    x = 137,264.89

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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.