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Finding the Fourth Proportional to 175,333.82, 241,929.94 and 103,687.70

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Solution

The fourth proportional to 175,333.82, 241,929.94 and 103,687.70 is: 143,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,333.82 : 241,929.94 = 103,687.70 : x
  2. Step 2: Convert to fraction form
    175,333.82/241,929.94 = 103,687.70/x
  3. Step 3: Cross multiply
    175,333.82x = 241,929.94 × 103,687.70
  4. Step 4: Simplify right side
    175,333.82x = 25,085,159,039.74
  5. Step 5: Solve for x
    x = 25,085,159,039.74/175,333.82
  6. Step 6: Final answer
    x = 143,070.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.