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Finding the Fourth Proportional to 92,726.44, 139,088.22 and 37,321

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Solution

The fourth proportional to 92,726.44, 139,088.22 and 37,321 is: 55,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,726.44 : 139,088.22 = 37,321 : x
  2. Step 2: Convert to fraction form
    92,726.44/139,088.22 = 37,321/x
  3. Step 3: Cross multiply
    92,726.44x = 139,088.22 × 37,321
  4. Step 4: Simplify right side
    92,726.44x = 5,190,911,458.62
  5. Step 5: Solve for x
    x = 5,190,911,458.62/92,726.44
  6. Step 6: Final answer
    x = 55,980.92

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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.