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Finding the Fourth Proportional to 164,155.29, 246,129.05 and 69,336.69

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Solution

The fourth proportional to 164,155.29, 246,129.05 and 69,336.69 is: 103,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,155.29 : 246,129.05 = 69,336.69 : x
  2. Step 2: Convert to fraction form
    164,155.29/246,129.05 = 69,336.69/x
  3. Step 3: Cross multiply
    164,155.29x = 246,129.05 × 69,336.69
  4. Step 4: Simplify right side
    164,155.29x = 17,065,773,293.16
  5. Step 5: Solve for x
    x = 17,065,773,293.16/164,155.29
  6. Step 6: Final answer
    x = 103,961.15

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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.