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Finding the Fourth Proportional to 191,212.88, 286,825.39 and 58,094.29

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Solution

The fourth proportional to 191,212.88, 286,825.39 and 58,094.29 is: 87,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,212.88 : 286,825.39 = 58,094.29 : x
  2. Step 2: Convert to fraction form
    191,212.88/286,825.39 = 58,094.29/x
  3. Step 3: Cross multiply
    191,212.88x = 286,825.39 × 58,094.29
  4. Step 4: Simplify right side
    191,212.88x = 16,662,917,599.32
  5. Step 5: Solve for x
    x = 16,662,917,599.32/191,212.88
  6. Step 6: Final answer
    x = 87,143.28

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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.