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Finding the Fourth Proportional to 64,448,967.64, 96,672,504.90 and 15,926,820.13

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Solution

The fourth proportional to 64,448,967.64, 96,672,504.90 and 15,926,820.13 is: 23,889,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,448,967.64 : 96,672,504.90 = 15,926,820.13 : x
  2. Step 2: Convert to fraction form
    64,448,967.64/96,672,504.90 = 15,926,820.13/x
  3. Step 3: Cross multiply
    64,448,967.64x = 96,672,504.90 × 15,926,820.13
  4. Step 4: Simplify right side
    64,448,967.64x = 1,539,685,597,058,843.75
  5. Step 5: Solve for x
    x = 1,539,685,597,058,843.75/64,448,967.64
  6. Step 6: Final answer
    x = 23,889,996.28

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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.