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Finding the Fourth Proportional to 338,799.08, 508,116 and 114,101.04

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Solution

The fourth proportional to 338,799.08, 508,116 and 114,101.04 is: 171,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,799.08 : 508,116 = 114,101.04 : x
  2. Step 2: Convert to fraction form
    338,799.08/508,116 = 114,101.04/x
  3. Step 3: Cross multiply
    338,799.08x = 508,116 × 114,101.04
  4. Step 4: Simplify right side
    338,799.08x = 57,976,564,040.64
  5. Step 5: Solve for x
    x = 57,976,564,040.64/338,799.08
  6. Step 6: Final answer
    x = 171,123.74

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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.