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Finding the Fourth Proportional to 192,390.18, 288,643.58 and 92,522.04

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Solution

The fourth proportional to 192,390.18, 288,643.58 and 92,522.04 is: 138,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,390.18 : 288,643.58 = 92,522.04 : x
  2. Step 2: Convert to fraction form
    192,390.18/288,643.58 = 92,522.04/x
  3. Step 3: Cross multiply
    192,390.18x = 288,643.58 × 92,522.04
  4. Step 4: Simplify right side
    192,390.18x = 26,705,892,854.50
  5. Step 5: Solve for x
    x = 26,705,892,854.50/192,390.18
  6. Step 6: Final answer
    x = 138,811.10

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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.