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Finding the Fourth Proportional to 93,163.86, 139,702.68 and 29,972.22

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Solution

The fourth proportional to 93,163.86, 139,702.68 and 29,972.22 is: 44,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,163.86 : 139,702.68 = 29,972.22 : x
  2. Step 2: Convert to fraction form
    93,163.86/139,702.68 = 29,972.22/x
  3. Step 3: Cross multiply
    93,163.86x = 139,702.68 × 29,972.22
  4. Step 4: Simplify right side
    93,163.86x = 4,187,199,459.55
  5. Step 5: Solve for x
    x = 4,187,199,459.55/93,163.86
  6. Step 6: Final answer
    x = 44,944.46

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1.5x scale

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.