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Finding the Fourth Proportional to 191,270.70, 286,906.50 and 58,152.06

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Solution

The fourth proportional to 191,270.70, 286,906.50 and 58,152.06 is: 87,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,270.70 : 286,906.50 = 58,152.06 : x
  2. Step 2: Convert to fraction form
    191,270.70/286,906.50 = 58,152.06/x
  3. Step 3: Cross multiply
    191,270.70x = 286,906.50 × 58,152.06
  4. Step 4: Simplify right side
    191,270.70x = 16,684,204,002.39
  5. Step 5: Solve for x
    x = 16,684,204,002.39/191,270.70
  6. Step 6: Final answer
    x = 87,228.23

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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.