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Finding the Fourth Proportional to 245,597.85, 368,508.56 and 119,169.81

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Solution

The fourth proportional to 245,597.85, 368,508.56 and 119,169.81 is: 178,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,597.85 : 368,508.56 = 119,169.81 : x
  2. Step 2: Convert to fraction form
    245,597.85/368,508.56 = 119,169.81/x
  3. Step 3: Cross multiply
    245,597.85x = 368,508.56 × 119,169.81
  4. Step 4: Simplify right side
    245,597.85x = 43,915,094,482.72
  5. Step 5: Solve for x
    x = 43,915,094,482.72/245,597.85
  6. Step 6: Final answer
    x = 178,808.95

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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.