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Finding the Fourth Proportional to 60,235.60, 83,125.83 and 33,378.43

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Solution

The fourth proportional to 60,235.60, 83,125.83 and 33,378.43 is: 46,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,235.60 : 83,125.83 = 33,378.43 : x
  2. Step 2: Convert to fraction form
    60,235.60/83,125.83 = 33,378.43/x
  3. Step 3: Cross multiply
    60,235.60x = 83,125.83 × 33,378.43
  4. Step 4: Simplify right side
    60,235.60x = 2,774,609,697.85
  5. Step 5: Solve for x
    x = 2,774,609,697.85/60,235.60
  6. Step 6: Final answer
    x = 46,062.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.