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Finding the Fourth Proportional to 191,955.44, 287,988.50 and 58,855.34

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Solution

The fourth proportional to 191,955.44, 287,988.50 and 58,855.34 is: 88,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,955.44 : 287,988.50 = 58,855.34 : x
  2. Step 2: Convert to fraction form
    191,955.44/287,988.50 = 58,855.34/x
  3. Step 3: Cross multiply
    191,955.44x = 287,988.50 × 58,855.34
  4. Step 4: Simplify right side
    191,955.44x = 16,949,661,083.59
  5. Step 5: Solve for x
    x = 16,949,661,083.59/191,955.44
  6. Step 6: Final answer
    x = 88,299.98

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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.