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Finding the Fourth Proportional to 338,759.61, 508,178.29 and 114,042.93

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Solution

The fourth proportional to 338,759.61, 508,178.29 and 114,042.93 is: 171,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,759.61 : 508,178.29 = 114,042.93 : x
  2. Step 2: Convert to fraction form
    338,759.61/508,178.29 = 114,042.93/x
  3. Step 3: Cross multiply
    338,759.61x = 508,178.29 × 114,042.93
  4. Step 4: Simplify right side
    338,759.61x = 57,954,141,153.99
  5. Step 5: Solve for x
    x = 57,954,141,153.99/338,759.61
  6. Step 6: Final answer
    x = 171,077.48

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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.