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Finding the Fourth Proportional to 64,906, 97,497.24 and 61,113.92

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Solution

The fourth proportional to 64,906, 97,497.24 and 61,113.92 is: 91,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,906 : 97,497.24 = 61,113.92 : x
  2. Step 2: Convert to fraction form
    64,906/97,497.24 = 61,113.92/x
  3. Step 3: Cross multiply
    64,906x = 97,497.24 × 61,113.92
  4. Step 4: Simplify right side
    64,906x = 5,958,438,525.58
  5. Step 5: Solve for x
    x = 5,958,438,525.58/64,906
  6. Step 6: Final answer
    x = 91,801.04

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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.