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Finding the Fourth Proportional to 182,178.69, 273,303.07 and 69,850.15

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Solution

The fourth proportional to 182,178.69, 273,303.07 and 69,850.15 is: 104,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,178.69 : 273,303.07 = 69,850.15 : x
  2. Step 2: Convert to fraction form
    182,178.69/273,303.07 = 69,850.15/x
  3. Step 3: Cross multiply
    182,178.69x = 273,303.07 × 69,850.15
  4. Step 4: Simplify right side
    182,178.69x = 19,090,260,653.08
  5. Step 5: Solve for x
    x = 19,090,260,653.08/182,178.69
  6. Step 6: Final answer
    x = 104,788.66

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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.