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Finding the Fourth Proportional to 68,705,843.04, 94,813,000.74 and 37,765,347.48

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Solution

The fourth proportional to 68,705,843.04, 94,813,000.74 and 37,765,347.48 is: 52,115,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,705,843.04 : 94,813,000.74 = 37,765,347.48 : x
  2. Step 2: Convert to fraction form
    68,705,843.04/94,813,000.74 = 37,765,347.48/x
  3. Step 3: Cross multiply
    68,705,843.04x = 94,813,000.74 × 37,765,347.48
  4. Step 4: Simplify right side
    68,705,843.04x = 3,580,645,918,567,596.50
  5. Step 5: Solve for x
    x = 3,580,645,918,567,596.50/68,705,843.04
  6. Step 6: Final answer
    x = 52,115,595.42

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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.