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Finding the Fourth Proportional to 112,099.49, 168,105.49 and 48,938.93

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Solution

The fourth proportional to 112,099.49, 168,105.49 and 48,938.93 is: 73,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099.49 : 168,105.49 = 48,938.93 : x
  2. Step 2: Convert to fraction form
    112,099.49/168,105.49 = 48,938.93/x
  3. Step 3: Cross multiply
    112,099.49x = 168,105.49 × 48,938.93
  4. Step 4: Simplify right side
    112,099.49x = 8,226,902,807.73
  5. Step 5: Solve for x
    x = 8,226,902,807.73/112,099.49
  6. Step 6: Final answer
    x = 73,389.30

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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.