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Finding the Fourth Proportional to 68,053, 93,907.80 and 37,836.46

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Solution

The fourth proportional to 68,053, 93,907.80 and 37,836.46 is: 52,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,053 : 93,907.80 = 37,836.46 : x
  2. Step 2: Convert to fraction form
    68,053/93,907.80 = 37,836.46/x
  3. Step 3: Cross multiply
    68,053x = 93,907.80 × 37,836.46
  4. Step 4: Simplify right side
    68,053x = 3,553,138,718.39
  5. Step 5: Solve for x
    x = 3,553,138,718.39/68,053
  6. Step 6: Final answer
    x = 52,211.35

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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.