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Finding the Fourth Proportional to 93,186, 139,780.08 and 23,065.92

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Solution

The fourth proportional to 93,186, 139,780.08 and 23,065.92 is: 34,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,186 : 139,780.08 = 23,065.92 : x
  2. Step 2: Convert to fraction form
    93,186/139,780.08 = 23,065.92/x
  3. Step 3: Cross multiply
    93,186x = 139,780.08 × 23,065.92
  4. Step 4: Simplify right side
    93,186x = 3,224,156,142.87
  5. Step 5: Solve for x
    x = 3,224,156,142.87/93,186
  6. Step 6: Final answer
    x = 34,599.15

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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.