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Finding the Fourth Proportional to 292,396.66, 403,510.80 and 171,540.02

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Solution

The fourth proportional to 292,396.66, 403,510.80 and 171,540.02 is: 236,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,396.66 : 403,510.80 = 171,540.02 : x
  2. Step 2: Convert to fraction form
    292,396.66/403,510.80 = 171,540.02/x
  3. Step 3: Cross multiply
    292,396.66x = 403,510.80 × 171,540.02
  4. Step 4: Simplify right side
    292,396.66x = 69,218,250,702.22
  5. Step 5: Solve for x
    x = 69,218,250,702.22/292,396.66
  6. Step 6: Final answer
    x = 236,727.23

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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.