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Finding the Fourth Proportional to 248,077.76, 342,226.88 and 147,404.48

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Solution

The fourth proportional to 248,077.76, 342,226.88 and 147,404.48 is: 203,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,077.76 : 342,226.88 = 147,404.48 : x
  2. Step 2: Convert to fraction form
    248,077.76/342,226.88 = 147,404.48/x
  3. Step 3: Cross multiply
    248,077.76x = 342,226.88 × 147,404.48
  4. Step 4: Simplify right side
    248,077.76x = 50,445,775,288.42
  5. Step 5: Solve for x
    x = 50,445,775,288.42/248,077.76
  6. Step 6: Final answer
    x = 203,346.63

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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.