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Finding the Fourth Proportional to 64,901.88, 97,155.54 and 41,544.72

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Solution

The fourth proportional to 64,901.88, 97,155.54 and 41,544.72 is: 62,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.88 : 97,155.54 = 41,544.72 : x
  2. Step 2: Convert to fraction form
    64,901.88/97,155.54 = 41,544.72/x
  3. Step 3: Cross multiply
    64,901.88x = 97,155.54 × 41,544.72
  4. Step 4: Simplify right side
    64,901.88x = 4,036,299,705.75
  5. Step 5: Solve for x
    x = 4,036,299,705.75/64,901.88
  6. Step 6: Final answer
    x = 62,190.80

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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.