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Finding the Fourth Proportional to 64,747,610.10, 97,121,415.15 and 64,747,610.10

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Solution

The fourth proportional to 64,747,610.10, 97,121,415.15 and 64,747,610.10 is: 97,121,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,747,610.10 : 97,121,415.15 = 64,747,610.10 : x
  2. Step 2: Convert to fraction form
    64,747,610.10/97,121,415.15 = 64,747,610.10/x
  3. Step 3: Cross multiply
    64,747,610.10x = 97,121,415.15 × 64,747,610.10
  4. Step 4: Simplify right side
    64,747,610.10x = 6,288,379,520,492,434
  5. Step 5: Solve for x
    x = 6,288,379,520,492,434/64,747,610.10
  6. Step 6: Final answer
    x = 97,121,415.15

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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.