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Finding the Fourth Proportional to 92,684.80, 139,027.20 and 62,941.60

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Solution

The fourth proportional to 92,684.80, 139,027.20 and 62,941.60 is: 94,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,684.80 : 139,027.20 = 62,941.60 : x
  2. Step 2: Convert to fraction form
    92,684.80/139,027.20 = 62,941.60/x
  3. Step 3: Cross multiply
    92,684.80x = 139,027.20 × 62,941.60
  4. Step 4: Simplify right side
    92,684.80x = 8,750,594,411.52
  5. Step 5: Solve for x
    x = 8,750,594,411.52/92,684.80
  6. Step 6: Final answer
    x = 94,412.40

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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.