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Finding the Fourth Proportional to 292,606.70, 403,797.24 and 158,470.70

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Solution

The fourth proportional to 292,606.70, 403,797.24 and 158,470.70 is: 218,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,606.70 : 403,797.24 = 158,470.70 : x
  2. Step 2: Convert to fraction form
    292,606.70/403,797.24 = 158,470.70/x
  3. Step 3: Cross multiply
    292,606.70x = 403,797.24 × 158,470.70
  4. Step 4: Simplify right side
    292,606.70x = 63,990,029,261.88
  5. Step 5: Solve for x
    x = 63,990,029,261.88/292,606.70
  6. Step 6: Final answer
    x = 218,689.56

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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.