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Finding the Fourth Proportional to 251,644.32, 347,264.01 and 136,925.24

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Solution

The fourth proportional to 251,644.32, 347,264.01 and 136,925.24 is: 188,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,644.32 : 347,264.01 = 136,925.24 : x
  2. Step 2: Convert to fraction form
    251,644.32/347,264.01 = 136,925.24/x
  3. Step 3: Cross multiply
    251,644.32x = 347,264.01 × 136,925.24
  4. Step 4: Simplify right side
    251,644.32x = 47,549,206,176.29
  5. Step 5: Solve for x
    x = 47,549,206,176.29/251,644.32
  6. Step 6: Final answer
    x = 188,954.02

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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.