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Finding the Fourth Proportional to 248,963.32, 373,201.98 and 99,158.68

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Solution

The fourth proportional to 248,963.32, 373,201.98 and 99,158.68 is: 148,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,963.32 : 373,201.98 = 99,158.68 : x
  2. Step 2: Convert to fraction form
    248,963.32/373,201.98 = 99,158.68/x
  3. Step 3: Cross multiply
    248,963.32x = 373,201.98 × 99,158.68
  4. Step 4: Simplify right side
    248,963.32x = 37,006,215,710.19
  5. Step 5: Solve for x
    x = 37,006,215,710.19/248,963.32
  6. Step 6: Final answer
    x = 148,641.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.