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Finding the Fourth Proportional to 220,937, 304,893.67 and 125,458.66

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Solution

The fourth proportional to 220,937, 304,893.67 and 125,458.66 is: 173,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,937 : 304,893.67 = 125,458.66 : x
  2. Step 2: Convert to fraction form
    220,937/304,893.67 = 125,458.66/x
  3. Step 3: Cross multiply
    220,937x = 304,893.67 × 125,458.66
  4. Step 4: Simplify right side
    220,937x = 38,251,549,756.21
  5. Step 5: Solve for x
    x = 38,251,549,756.21/220,937
  6. Step 6: Final answer
    x = 173,133.29

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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.