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Finding the Fourth Proportional to 292,022.44, 402,990.98 and 157,886.44

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Solution

The fourth proportional to 292,022.44, 402,990.98 and 157,886.44 is: 217,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,022.44 : 402,990.98 = 157,886.44 : x
  2. Step 2: Convert to fraction form
    292,022.44/402,990.98 = 157,886.44/x
  3. Step 3: Cross multiply
    292,022.44x = 402,990.98 × 157,886.44
  4. Step 4: Simplify right side
    292,022.44x = 63,626,809,387.40
  5. Step 5: Solve for x
    x = 63,626,809,387.40/292,022.44
  6. Step 6: Final answer
    x = 217,883.29

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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.