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Finding the Fourth Proportional to 191,170.70, 286,737.50 and 58,052.09

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Solution

The fourth proportional to 191,170.70, 286,737.50 and 58,052.09 is: 87,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,170.70 : 286,737.50 = 58,052.09 : x
  2. Step 2: Convert to fraction form
    191,170.70/286,737.50 = 58,052.09/x
  3. Step 3: Cross multiply
    191,170.70x = 286,737.50 × 58,052.09
  4. Step 4: Simplify right side
    191,170.70x = 16,645,712,018.35
  5. Step 5: Solve for x
    x = 16,645,712,018.35/191,170.70
  6. Step 6: Final answer
    x = 87,072.51

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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.