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Finding the Fourth Proportional to 119,793.60, 179,690.40 and 117,950.40

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Solution

The fourth proportional to 119,793.60, 179,690.40 and 117,950.40 is: 176,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,793.60 : 179,690.40 = 117,950.40 : x
  2. Step 2: Convert to fraction form
    119,793.60/179,690.40 = 117,950.40/x
  3. Step 3: Cross multiply
    119,793.60x = 179,690.40 × 117,950.40
  4. Step 4: Simplify right side
    119,793.60x = 21,194,554,556.16
  5. Step 5: Solve for x
    x = 21,194,554,556.16/119,793.60
  6. Step 6: Final answer
    x = 176,925.60

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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.