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Finding the Fourth Proportional to 178,698.68, 268,018.84 and 60,367.40

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Solution

The fourth proportional to 178,698.68, 268,018.84 and 60,367.40 is: 90,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,698.68 : 268,018.84 = 60,367.40 : x
  2. Step 2: Convert to fraction form
    178,698.68/268,018.84 = 60,367.40/x
  3. Step 3: Cross multiply
    178,698.68x = 268,018.84 × 60,367.40
  4. Step 4: Simplify right side
    178,698.68x = 16,179,600,521.82
  5. Step 5: Solve for x
    x = 16,179,600,521.82/178,698.68
  6. Step 6: Final answer
    x = 90,541.24

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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.