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Finding the Fourth Proportional to 71,805,270.25, 107,707,907.81 and 17,952,582.25

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Solution

The fourth proportional to 71,805,270.25, 107,707,907.81 and 17,952,582.25 is: 26,928,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,805,270.25 : 107,707,907.81 = 17,952,582.25 : x
  2. Step 2: Convert to fraction form
    71,805,270.25/107,707,907.81 = 17,952,582.25/x
  3. Step 3: Cross multiply
    71,805,270.25x = 107,707,907.81 × 17,952,582.25
  4. Step 4: Simplify right side
    71,805,270.25x = 1,933,635,073,934,442.50
  5. Step 5: Solve for x
    x = 1,933,635,073,934,442.50/71,805,270.25
  6. Step 6: Final answer
    x = 26,928,873.98

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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.