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Finding the Fourth Proportional to 178,794.90, 268,426.74 and 119,894.13

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Solution

The fourth proportional to 178,794.90, 268,426.74 and 119,894.13 is: 179,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,794.90 : 268,426.74 = 119,894.13 : x
  2. Step 2: Convert to fraction form
    178,794.90/268,426.74 = 119,894.13/x
  3. Step 3: Cross multiply
    178,794.90x = 268,426.74 × 119,894.13
  4. Step 4: Simplify right side
    178,794.90x = 32,182,790,461.04
  5. Step 5: Solve for x
    x = 32,182,790,461.04/178,794.90
  6. Step 6: Final answer
    x = 179,998.37

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1.5x scale

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.