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Finding the Fourth Proportional to 64,456,064.88, 96,687,309.96 and 18,404,764.08

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Solution

The fourth proportional to 64,456,064.88, 96,687,309.96 and 18,404,764.08 is: 27,608,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,456,064.88 : 96,687,309.96 = 18,404,764.08 : x
  2. Step 2: Convert to fraction form
    64,456,064.88/96,687,309.96 = 18,404,764.08/x
  3. Step 3: Cross multiply
    64,456,064.88x = 96,687,309.96 × 18,404,764.08
  4. Step 4: Simplify right side
    64,456,064.88x = 1,779,507,129,343,634
  5. Step 5: Solve for x
    x = 1,779,507,129,343,634/64,456,064.88
  6. Step 6: Final answer
    x = 27,608,063.46

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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.