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Finding the Fourth Proportional to 248,471.88, 342,881.85 and 151,837.32

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Solution

The fourth proportional to 248,471.88, 342,881.85 and 151,837.32 is: 209,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,471.88 : 342,881.85 = 151,837.32 : x
  2. Step 2: Convert to fraction form
    248,471.88/342,881.85 = 151,837.32/x
  3. Step 3: Cross multiply
    248,471.88x = 342,881.85 × 151,837.32
  4. Step 4: Simplify right side
    248,471.88x = 52,062,263,035.84
  5. Step 5: Solve for x
    x = 52,062,263,035.84/248,471.88
  6. Step 6: Final answer
    x = 209,529.80

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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.