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Finding the Fourth Proportional to 64,691,805.20, 97,009,714.20 and 26,340,573.20

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Solution

The fourth proportional to 64,691,805.20, 97,009,714.20 and 26,340,573.20 is: 39,499,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,691,805.20 : 97,009,714.20 = 26,340,573.20 : x
  2. Step 2: Convert to fraction form
    64,691,805.20/97,009,714.20 = 26,340,573.20/x
  3. Step 3: Cross multiply
    64,691,805.20x = 97,009,714.20 × 26,340,573.20
  4. Step 4: Simplify right side
    64,691,805.20x = 2,555,291,477,996,179.50
  5. Step 5: Solve for x
    x = 2,555,291,477,996,179.50/64,691,805.20
  6. Step 6: Final answer
    x = 39,499,461.64

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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.