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Finding the Fourth Proportional to 64,360.83, 96,435.81 and 61,900.50

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Solution

The fourth proportional to 64,360.83, 96,435.81 and 61,900.50 is: 92,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,360.83 : 96,435.81 = 61,900.50 : x
  2. Step 2: Convert to fraction form
    64,360.83/96,435.81 = 61,900.50/x
  3. Step 3: Cross multiply
    64,360.83x = 96,435.81 × 61,900.50
  4. Step 4: Simplify right side
    64,360.83x = 5,969,424,856.91
  5. Step 5: Solve for x
    x = 5,969,424,856.91/64,360.83
  6. Step 6: Final answer
    x = 92,749.35

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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.