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Finding the Fourth Proportional to 248,737.79, 343,259.30 and 141,313.71

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Solution

The fourth proportional to 248,737.79, 343,259.30 and 141,313.71 is: 195,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,737.79 : 343,259.30 = 141,313.71 : x
  2. Step 2: Convert to fraction form
    248,737.79/343,259.30 = 141,313.71/x
  3. Step 3: Cross multiply
    248,737.79x = 343,259.30 × 141,313.71
  4. Step 4: Simplify right side
    248,737.79x = 48,507,245,175.00
  5. Step 5: Solve for x
    x = 48,507,245,175.00/248,737.79
  6. Step 6: Final answer
    x = 195,013.57

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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.