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Finding the Fourth Proportional to 178,954.32, 268,417.52 and 104,026.67

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Solution

The fourth proportional to 178,954.32, 268,417.52 and 104,026.67 is: 156,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,954.32 : 268,417.52 = 104,026.67 : x
  2. Step 2: Convert to fraction form
    178,954.32/268,417.52 = 104,026.67/x
  3. Step 3: Cross multiply
    178,954.32x = 268,417.52 × 104,026.67
  4. Step 4: Simplify right side
    178,954.32x = 27,922,582,404.70
  5. Step 5: Solve for x
    x = 27,922,582,404.70/178,954.32
  6. Step 6: Final answer
    x = 156,031.90

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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.