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Finding the Fourth Proportional to 64,706.13, 97,115.24 and 64,556.51

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Solution

The fourth proportional to 64,706.13, 97,115.24 and 64,556.51 is: 96,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,706.13 : 97,115.24 = 64,556.51 : x
  2. Step 2: Convert to fraction form
    64,706.13/97,115.24 = 64,556.51/x
  3. Step 3: Cross multiply
    64,706.13x = 97,115.24 × 64,556.51
  4. Step 4: Simplify right side
    64,706.13x = 6,269,420,962.21
  5. Step 5: Solve for x
    x = 6,269,420,962.21/64,706.13
  6. Step 6: Final answer
    x = 96,890.68

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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.