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Finding the Fourth Proportional to 61,856.70, 92,785.05 and 46,110.30

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Solution

The fourth proportional to 61,856.70, 92,785.05 and 46,110.30 is: 69,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,856.70 : 92,785.05 = 46,110.30 : x
  2. Step 2: Convert to fraction form
    61,856.70/92,785.05 = 46,110.30/x
  3. Step 3: Cross multiply
    61,856.70x = 92,785.05 × 46,110.30
  4. Step 4: Simplify right side
    61,856.70x = 4,278,346,491.02
  5. Step 5: Solve for x
    x = 4,278,346,491.02/61,856.70
  6. Step 6: Final answer
    x = 69,165.45

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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.