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Finding the Fourth Proportional to 183,281.39, 274,965.11 and 56,915.11

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Solution

The fourth proportional to 183,281.39, 274,965.11 and 56,915.11 is: 85,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,281.39 : 274,965.11 = 56,915.11 : x
  2. Step 2: Convert to fraction form
    183,281.39/274,965.11 = 56,915.11/x
  3. Step 3: Cross multiply
    183,281.39x = 274,965.11 × 56,915.11
  4. Step 4: Simplify right side
    183,281.39x = 15,649,669,481.81
  5. Step 5: Solve for x
    x = 15,649,669,481.81/183,281.39
  6. Step 6: Final answer
    x = 85,386.03

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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.