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Finding the Fourth Proportional to 217,762,842.02, 326,708,035.41 and 64,412,982.14

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Solution

The fourth proportional to 217,762,842.02, 326,708,035.41 and 64,412,982.14 is: 96,638,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,762,842.02 : 326,708,035.41 = 64,412,982.14 : x
  2. Step 2: Convert to fraction form
    217,762,842.02/326,708,035.41 = 64,412,982.14/x
  3. Step 3: Cross multiply
    217,762,842.02x = 326,708,035.41 × 64,412,982.14
  4. Step 4: Simplify right side
    217,762,842.02x = 21,044,238,849,858,820
  5. Step 5: Solve for x
    x = 21,044,238,849,858,820/217,762,842.02
  6. Step 6: Final answer
    x = 96,638,336.71

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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.