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Finding the Fourth Proportional to 333,145.71, 499,468.88 and 108,371.93

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Solution

The fourth proportional to 333,145.71, 499,468.88 and 108,371.93 is: 162,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,145.71 : 499,468.88 = 108,371.93 : x
  2. Step 2: Convert to fraction form
    333,145.71/499,468.88 = 108,371.93/x
  3. Step 3: Cross multiply
    333,145.71x = 499,468.88 × 108,371.93
  4. Step 4: Simplify right side
    333,145.71x = 54,128,404,274.12
  5. Step 5: Solve for x
    x = 54,128,404,274.12/333,145.71
  6. Step 6: Final answer
    x = 162,476.67

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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.