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Finding the Fourth Proportional to 248,497.34, 342,917.31 and 151,862.86

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Solution

The fourth proportional to 248,497.34, 342,917.31 and 151,862.86 is: 209,565.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,497.34 : 342,917.31 = 151,862.86 : x
  2. Step 2: Convert to fraction form
    248,497.34/342,917.31 = 151,862.86/x
  3. Step 3: Cross multiply
    248,497.34x = 342,917.31 × 151,862.86
  4. Step 4: Simplify right side
    248,497.34x = 52,076,404,438.24
  5. Step 5: Solve for x
    x = 52,076,404,438.24/248,497.34
  6. Step 6: Final answer
    x = 209,565.24

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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.