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Finding the Fourth Proportional to 164,506.86, 246,760.25 and 89,689.93

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Solution

The fourth proportional to 164,506.86, 246,760.25 and 89,689.93 is: 134,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,506.86 : 246,760.25 = 89,689.93 : x
  2. Step 2: Convert to fraction form
    164,506.86/246,760.25 = 89,689.93/x
  3. Step 3: Cross multiply
    164,506.86x = 246,760.25 × 89,689.93
  4. Step 4: Simplify right side
    164,506.86x = 22,131,909,549.28
  5. Step 5: Solve for x
    x = 22,131,909,549.28/164,506.86
  6. Step 6: Final answer
    x = 134,534.87

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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.