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Finding the Fourth Proportional to 134,099.10, 201,020.65 and 49,836.70

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Solution

The fourth proportional to 134,099.10, 201,020.65 and 49,836.70 is: 74,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,099.10 : 201,020.65 = 49,836.70 : x
  2. Step 2: Convert to fraction form
    134,099.10/201,020.65 = 49,836.70/x
  3. Step 3: Cross multiply
    134,099.10x = 201,020.65 × 49,836.70
  4. Step 4: Simplify right side
    134,099.10x = 10,018,205,827.86
  5. Step 5: Solve for x
    x = 10,018,205,827.86/134,099.10
  6. Step 6: Final answer
    x = 74,707.48

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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.