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Finding the Fourth Proportional to 191,467.95, 287,243.37 and 58,344.72

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Solution

The fourth proportional to 191,467.95, 287,243.37 and 58,344.72 is: 87,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,467.95 : 287,243.37 = 58,344.72 : x
  2. Step 2: Convert to fraction form
    191,467.95/287,243.37 = 58,344.72/x
  3. Step 3: Cross multiply
    191,467.95x = 287,243.37 × 58,344.72
  4. Step 4: Simplify right side
    191,467.95x = 16,759,133,994.51
  5. Step 5: Solve for x
    x = 16,759,133,994.51/191,467.95
  6. Step 6: Final answer
    x = 87,529.71

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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.