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Finding the Fourth Proportional to 191,094.39, 286,640.51 and 48,939.39

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Solution

The fourth proportional to 191,094.39, 286,640.51 and 48,939.39 is: 73,408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,094.39 : 286,640.51 = 48,939.39 : x
  2. Step 2: Convert to fraction form
    191,094.39/286,640.51 = 48,939.39/x
  3. Step 3: Cross multiply
    191,094.39x = 286,640.51 × 48,939.39
  4. Step 4: Simplify right side
    191,094.39x = 14,028,011,463.99
  5. Step 5: Solve for x
    x = 14,028,011,463.99/191,094.39
  6. Step 6: Final answer
    x = 73,408.81

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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.