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Finding the Fourth Proportional to 333,126.08, 499,689.36 and 83,808

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Solution

The fourth proportional to 333,126.08, 499,689.36 and 83,808 is: 125,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,126.08 : 499,689.36 = 83,808 : x
  2. Step 2: Convert to fraction form
    333,126.08/499,689.36 = 83,808/x
  3. Step 3: Cross multiply
    333,126.08x = 499,689.36 × 83,808
  4. Step 4: Simplify right side
    333,126.08x = 41,877,965,882.88
  5. Step 5: Solve for x
    x = 41,877,965,882.88/333,126.08
  6. Step 6: Final answer
    x = 125,712.06

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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.