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Finding the Fourth Proportional to 248,737.86, 343,259.42 and 141,313.79

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Solution

The fourth proportional to 248,737.86, 343,259.42 and 141,313.79 is: 195,013.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,737.86 : 343,259.42 = 141,313.79 : x
  2. Step 2: Convert to fraction form
    248,737.86/343,259.42 = 141,313.79/x
  3. Step 3: Cross multiply
    248,737.86x = 343,259.42 × 141,313.79
  4. Step 4: Simplify right side
    248,737.86x = 48,507,287,170.54
  5. Step 5: Solve for x
    x = 48,507,287,170.54/248,737.86
  6. Step 6: Final answer
    x = 195,013.69

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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.