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Finding the Fourth Proportional to 42,410,460.80, 63,597,028.80 and 16,842,972.80

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Solution

The fourth proportional to 42,410,460.80, 63,597,028.80 and 16,842,972.80 is: 25,257,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,410,460.80 : 63,597,028.80 = 16,842,972.80 : x
  2. Step 2: Convert to fraction form
    42,410,460.80/63,597,028.80 = 16,842,972.80/x
  3. Step 3: Cross multiply
    42,410,460.80x = 63,597,028.80 × 16,842,972.80
  4. Step 4: Simplify right side
    42,410,460.80x = 1,071,163,026,239,216.62
  5. Step 5: Solve for x
    x = 1,071,163,026,239,216.62/42,410,460.80
  6. Step 6: Final answer
    x = 25,257,047.58

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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.