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Finding the Fourth Proportional to 156,813.71, 235,235.15 and 44,496.68

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Solution

The fourth proportional to 156,813.71, 235,235.15 and 44,496.68 is: 66,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,813.71 : 235,235.15 = 44,496.68 : x
  2. Step 2: Convert to fraction form
    156,813.71/235,235.15 = 44,496.68/x
  3. Step 3: Cross multiply
    156,813.71x = 235,235.15 × 44,496.68
  4. Step 4: Simplify right side
    156,813.71x = 10,467,181,795.64
  5. Step 5: Solve for x
    x = 10,467,181,795.64/156,813.71
  6. Step 6: Final answer
    x = 66,749.15

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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.