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Finding the Fourth Proportional to 92,808.30, 139,240.26 and 36,656.40

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Solution

The fourth proportional to 92,808.30, 139,240.26 and 36,656.40 is: 54,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,808.30 : 139,240.26 = 36,656.40 : x
  2. Step 2: Convert to fraction form
    92,808.30/139,240.26 = 36,656.40/x
  3. Step 3: Cross multiply
    92,808.30x = 139,240.26 × 36,656.40
  4. Step 4: Simplify right side
    92,808.30x = 5,104,046,666.66
  5. Step 5: Solve for x
    x = 5,104,046,666.66/92,808.30
  6. Step 6: Final answer
    x = 54,995.58

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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.