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Finding the Fourth Proportional to 73,509.41, 101,405.60 and 48,030.70

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Solution

The fourth proportional to 73,509.41, 101,405.60 and 48,030.70 is: 66,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,509.41 : 101,405.60 = 48,030.70 : x
  2. Step 2: Convert to fraction form
    73,509.41/101,405.60 = 48,030.70/x
  3. Step 3: Cross multiply
    73,509.41x = 101,405.60 × 48,030.70
  4. Step 4: Simplify right side
    73,509.41x = 4,870,581,951.92
  5. Step 5: Solve for x
    x = 4,870,581,951.92/73,509.41
  6. Step 6: Final answer
    x = 66,257.94

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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.