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Finding the Fourth Proportional to 92,893.01, 139,303.85 and 39,551.16

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Solution

The fourth proportional to 92,893.01, 139,303.85 and 39,551.16 is: 59,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.01 : 139,303.85 = 39,551.16 : x
  2. Step 2: Convert to fraction form
    92,893.01/139,303.85 = 39,551.16/x
  3. Step 3: Cross multiply
    92,893.01x = 139,303.85 × 39,551.16
  4. Step 4: Simplify right side
    92,893.01x = 5,509,629,407.07
  5. Step 5: Solve for x
    x = 5,509,629,407.07/92,893.01
  6. Step 6: Final answer
    x = 59,311.56

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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.