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Finding the Fourth Proportional to 270,013.08, 372,724.26 and 178,117.76

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Solution

The fourth proportional to 270,013.08, 372,724.26 and 178,117.76 is: 245,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,013.08 : 372,724.26 = 178,117.76 : x
  2. Step 2: Convert to fraction form
    270,013.08/372,724.26 = 178,117.76/x
  3. Step 3: Cross multiply
    270,013.08x = 372,724.26 × 178,117.76
  4. Step 4: Simplify right side
    270,013.08x = 66,388,810,288.86
  5. Step 5: Solve for x
    x = 66,388,810,288.86/270,013.08
  6. Step 6: Final answer
    x = 245,872.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.