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Finding the Fourth Proportional to 285,981.40, 429,046.62 and 108,492.04

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Solution

The fourth proportional to 285,981.40, 429,046.62 and 108,492.04 is: 162,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,981.40 : 429,046.62 = 108,492.04 : x
  2. Step 2: Convert to fraction form
    285,981.40/429,046.62 = 108,492.04/x
  3. Step 3: Cross multiply
    285,981.40x = 429,046.62 × 108,492.04
  4. Step 4: Simplify right side
    285,981.40x = 46,548,143,058.90
  5. Step 5: Solve for x
    x = 46,548,143,058.90/285,981.40
  6. Step 6: Final answer
    x = 162,766.33

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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.