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Finding the Fourth Proportional to 163,902, 245,895.24 and 89,002.92

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Solution

The fourth proportional to 163,902, 245,895.24 and 89,002.92 is: 133,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,902 : 245,895.24 = 89,002.92 : x
  2. Step 2: Convert to fraction form
    163,902/245,895.24 = 89,002.92/x
  3. Step 3: Cross multiply
    163,902x = 245,895.24 × 89,002.92
  4. Step 4: Simplify right side
    163,902x = 21,885,394,374.10
  5. Step 5: Solve for x
    x = 21,885,394,374.10/163,902
  6. Step 6: Final answer
    x = 133,527.32

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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.