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Finding the Fourth Proportional to 224,681.68, 336,929.37 and 91,471.51

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Solution

The fourth proportional to 224,681.68, 336,929.37 and 91,471.51 is: 137,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,681.68 : 336,929.37 = 91,471.51 : x
  2. Step 2: Convert to fraction form
    224,681.68/336,929.37 = 91,471.51/x
  3. Step 3: Cross multiply
    224,681.68x = 336,929.37 × 91,471.51
  4. Step 4: Simplify right side
    224,681.68x = 30,819,438,237.25
  5. Step 5: Solve for x
    x = 30,819,438,237.25/224,681.68
  6. Step 6: Final answer
    x = 137,169.34

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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.