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Finding the Fourth Proportional to 92,726.88, 139,090.32 and 37,284

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Solution

The fourth proportional to 92,726.88, 139,090.32 and 37,284 is: 55,926

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,726.88 : 139,090.32 = 37,284 : x
  2. Step 2: Convert to fraction form
    92,726.88/139,090.32 = 37,284/x
  3. Step 3: Cross multiply
    92,726.88x = 139,090.32 × 37,284
  4. Step 4: Simplify right side
    92,726.88x = 5,185,843,490.88
  5. Step 5: Solve for x
    x = 5,185,843,490.88/92,726.88
  6. Step 6: Final answer
    x = 55,926

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.