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Finding the Fourth Proportional to 64,507,966.20, 96,761,949.30 and 64,507,966.20

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Solution

The fourth proportional to 64,507,966.20, 96,761,949.30 and 64,507,966.20 is: 96,761,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,507,966.20 : 96,761,949.30 = 64,507,966.20 : x
  2. Step 2: Convert to fraction form
    64,507,966.20/96,761,949.30 = 64,507,966.20/x
  3. Step 3: Cross multiply
    64,507,966.20x = 96,761,949.30 × 64,507,966.20
  4. Step 4: Simplify right side
    64,507,966.20x = 6,241,916,554,890,514
  5. Step 5: Solve for x
    x = 6,241,916,554,890,514/64,507,966.20
  6. Step 6: Final answer
    x = 96,761,949.30

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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.