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Finding the Fourth Proportional to 82,290,748.60, 115,055,882.60 and 82,290,748.60

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Solution

The fourth proportional to 82,290,748.60, 115,055,882.60 and 82,290,748.60 is: 115,055,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,290,748.60 : 115,055,882.60 = 82,290,748.60 : x
  2. Step 2: Convert to fraction form
    82,290,748.60/115,055,882.60 = 82,290,748.60/x
  3. Step 3: Cross multiply
    82,290,748.60x = 115,055,882.60 × 82,290,748.60
  4. Step 4: Simplify right side
    82,290,748.60x = 9,468,034,709,987,714
  5. Step 5: Solve for x
    x = 9,468,034,709,987,714/82,290,748.60
  6. Step 6: Final answer
    x = 115,055,882.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.