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Finding the Fourth Proportional to 92,795.90, 139,133.10 and 36,602.15

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Solution

The fourth proportional to 92,795.90, 139,133.10 and 36,602.15 is: 54,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,795.90 : 139,133.10 = 36,602.15 : x
  2. Step 2: Convert to fraction form
    92,795.90/139,133.10 = 36,602.15/x
  3. Step 3: Cross multiply
    92,795.90x = 139,133.10 × 36,602.15
  4. Step 4: Simplify right side
    92,795.90x = 5,092,570,596.17
  5. Step 5: Solve for x
    x = 5,092,570,596.17/92,795.90
  6. Step 6: Final answer
    x = 54,879.26

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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.