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Finding the Fourth Proportional to 292,726.75, 403,962.93 and 158,590.75

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Solution

The fourth proportional to 292,726.75, 403,962.93 and 158,590.75 is: 218,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,726.75 : 403,962.93 = 158,590.75 : x
  2. Step 2: Convert to fraction form
    292,726.75/403,962.93 = 158,590.75/x
  3. Step 3: Cross multiply
    292,726.75x = 403,962.93 × 158,590.75
  4. Step 4: Simplify right side
    292,726.75x = 64,064,784,040.90
  5. Step 5: Solve for x
    x = 64,064,784,040.90/292,726.75
  6. Step 6: Final answer
    x = 218,855.24

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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.