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Finding the Fourth Proportional to 248,758.21, 373,216.20 and 88,830.64

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Solution

The fourth proportional to 248,758.21, 373,216.20 and 88,830.64 is: 133,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,758.21 : 373,216.20 = 88,830.64 : x
  2. Step 2: Convert to fraction form
    248,758.21/373,216.20 = 88,830.64/x
  3. Step 3: Cross multiply
    248,758.21x = 373,216.20 × 88,830.64
  4. Step 4: Simplify right side
    248,758.21x = 33,153,033,904.37
  5. Step 5: Solve for x
    x = 33,153,033,904.37/248,758.21
  6. Step 6: Final answer
    x = 133,274.13

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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.