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Finding the Fourth Proportional to 134,685, 202,028.51 and 59,785.02

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Solution

The fourth proportional to 134,685, 202,028.51 and 59,785.02 is: 89,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,685 : 202,028.51 = 59,785.02 : x
  2. Step 2: Convert to fraction form
    134,685/202,028.51 = 59,785.02/x
  3. Step 3: Cross multiply
    134,685x = 202,028.51 × 59,785.02
  4. Step 4: Simplify right side
    134,685x = 12,078,278,660.38
  5. Step 5: Solve for x
    x = 12,078,278,660.38/134,685
  6. Step 6: Final answer
    x = 89,677.98

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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.