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Finding the Fourth Proportional to 63,935,999.60, 95,903,999.40 and 36,642,239.60

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Solution

The fourth proportional to 63,935,999.60, 95,903,999.40 and 36,642,239.60 is: 54,963,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,935,999.60 : 95,903,999.40 = 36,642,239.60 : x
  2. Step 2: Convert to fraction form
    63,935,999.60/95,903,999.40 = 36,642,239.60/x
  3. Step 3: Cross multiply
    63,935,999.60x = 95,903,999.40 × 36,642,239.60
  4. Step 4: Simplify right side
    63,935,999.60x = 3,514,137,324,613,056.50
  5. Step 5: Solve for x
    x = 3,514,137,324,613,056.50/63,935,999.60
  6. Step 6: Final answer
    x = 54,963,359.40

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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.