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Finding the Fourth Proportional to 248,288.60, 342,610.43 and 146,307.44

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Solution

The fourth proportional to 248,288.60, 342,610.43 and 146,307.44 is: 201,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,288.60 : 342,610.43 = 146,307.44 : x
  2. Step 2: Convert to fraction form
    248,288.60/342,610.43 = 146,307.44/x
  3. Step 3: Cross multiply
    248,288.60x = 342,610.43 × 146,307.44
  4. Step 4: Simplify right side
    248,288.60x = 50,126,455,055.59
  5. Step 5: Solve for x
    x = 50,126,455,055.59/248,288.60
  6. Step 6: Final answer
    x = 201,887.86

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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.