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Finding the Fourth Proportional to 93,319.92, 139,978.67 and 23,199.84

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Solution

The fourth proportional to 93,319.92, 139,978.67 and 23,199.84 is: 34,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319.92 : 139,978.67 = 23,199.84 : x
  2. Step 2: Convert to fraction form
    93,319.92/139,978.67 = 23,199.84/x
  3. Step 3: Cross multiply
    93,319.92x = 139,978.67 × 23,199.84
  4. Step 4: Simplify right side
    93,319.92x = 3,247,482,631.41
  5. Step 5: Solve for x
    x = 3,247,482,631.41/93,319.92
  6. Step 6: Final answer
    x = 34,799.46

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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.