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Finding the Fourth Proportional to 108,719.84, 163,103.19 and 32,812.03

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Solution

The fourth proportional to 108,719.84, 163,103.19 and 32,812.03 is: 49,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,719.84 : 163,103.19 = 32,812.03 : x
  2. Step 2: Convert to fraction form
    108,719.84/163,103.19 = 32,812.03/x
  3. Step 3: Cross multiply
    108,719.84x = 163,103.19 × 32,812.03
  4. Step 4: Simplify right side
    108,719.84x = 5,351,746,763.38
  5. Step 5: Solve for x
    x = 5,351,746,763.38/108,719.84
  6. Step 6: Final answer
    x = 49,225.12

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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.