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Finding the Fourth Proportional to 64,901.98, 97,491.24 and 61,109.92

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Solution

The fourth proportional to 64,901.98, 97,491.24 and 61,109.92 is: 91,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.98 : 97,491.24 = 61,109.92 : x
  2. Step 2: Convert to fraction form
    64,901.98/97,491.24 = 61,109.92/x
  3. Step 3: Cross multiply
    64,901.98x = 97,491.24 × 61,109.92
  4. Step 4: Simplify right side
    64,901.98x = 5,957,681,877.10
  5. Step 5: Solve for x
    x = 5,957,681,877.10/64,901.98
  6. Step 6: Final answer
    x = 91,795.07

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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.