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Finding the Fourth Proportional to 292,920.04, 404,230.28 and 158,784.04

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Solution

The fourth proportional to 292,920.04, 404,230.28 and 158,784.04 is: 219,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,920.04 : 404,230.28 = 158,784.04 : x
  2. Step 2: Convert to fraction form
    292,920.04/404,230.28 = 158,784.04/x
  3. Step 3: Cross multiply
    292,920.04x = 404,230.28 × 158,784.04
  4. Step 4: Simplify right side
    292,920.04x = 64,185,316,948.73
  5. Step 5: Solve for x
    x = 64,185,316,948.73/292,920.04
  6. Step 6: Final answer
    x = 219,122.31

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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.