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Finding the Fourth Proportional to 248,737.98, 343,259.57 and 141,313.91

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Solution

The fourth proportional to 248,737.98, 343,259.57 and 141,313.91 is: 195,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,737.98 : 343,259.57 = 141,313.91 : x
  2. Step 2: Convert to fraction form
    248,737.98/343,259.57 = 141,313.91/x
  3. Step 3: Cross multiply
    248,737.98x = 343,259.57 × 141,313.91
  4. Step 4: Simplify right side
    248,737.98x = 48,507,353,193.05
  5. Step 5: Solve for x
    x = 48,507,353,193.05/248,737.98
  6. Step 6: Final answer
    x = 195,013.86

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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.