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Finding the Fourth Proportional to 101,599.68, 152,409.60 and 42,453.84

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Solution

The fourth proportional to 101,599.68, 152,409.60 and 42,453.84 is: 63,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,599.68 : 152,409.60 = 42,453.84 : x
  2. Step 2: Convert to fraction form
    101,599.68/152,409.60 = 42,453.84/x
  3. Step 3: Cross multiply
    101,599.68x = 152,409.60 × 42,453.84
  4. Step 4: Simplify right side
    101,599.68x = 6,470,372,772.86
  5. Step 5: Solve for x
    x = 6,470,372,772.86/101,599.68
  6. Step 6: Final answer
    x = 63,684.97

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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.