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Finding the Fourth Proportional to 64,638,643.10, 96,957,964.65 and 64,638,643.10

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Solution

The fourth proportional to 64,638,643.10, 96,957,964.65 and 64,638,643.10 is: 96,957,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,638,643.10 : 96,957,964.65 = 64,638,643.10 : x
  2. Step 2: Convert to fraction form
    64,638,643.10/96,957,964.65 = 64,638,643.10/x
  3. Step 3: Cross multiply
    64,638,643.10x = 96,957,964.65 × 64,638,643.10
  4. Step 4: Simplify right side
    64,638,643.10x = 6,267,231,272,713,767
  5. Step 5: Solve for x
    x = 6,267,231,272,713,767/64,638,643.10
  6. Step 6: Final answer
    x = 96,957,964.65

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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.