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Finding the Fourth Proportional to 292,947.92, 404,264.52 and 158,809.04

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Solution

The fourth proportional to 292,947.92, 404,264.52 and 158,809.04 is: 219,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,947.92 : 404,264.52 = 158,809.04 : x
  2. Step 2: Convert to fraction form
    292,947.92/404,264.52 = 158,809.04/x
  3. Step 3: Cross multiply
    292,947.92x = 404,264.52 × 158,809.04
  4. Step 4: Simplify right side
    292,947.92x = 64,200,860,327.26
  5. Step 5: Solve for x
    x = 64,200,860,327.26/292,947.92
  6. Step 6: Final answer
    x = 219,154.52

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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.