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Finding the Fourth Proportional to 665,513.16, 998,268.90 and 160,073.88

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Solution

The fourth proportional to 665,513.16, 998,268.90 and 160,073.88 is: 240,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,513.16 : 998,268.90 = 160,073.88 : x
  2. Step 2: Convert to fraction form
    665,513.16/998,268.90 = 160,073.88/x
  3. Step 3: Cross multiply
    665,513.16x = 998,268.90 × 160,073.88
  4. Step 4: Simplify right side
    665,513.16x = 159,796,776,106.33
  5. Step 5: Solve for x
    x = 159,796,776,106.33/665,513.16
  6. Step 6: Final answer
    x = 240,110.62

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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.