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Finding the Fourth Proportional to 92,048.92, 137,985.87 and 58,675.30

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Solution

The fourth proportional to 92,048.92, 137,985.87 and 58,675.30 is: 87,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,048.92 : 137,985.87 = 58,675.30 : x
  2. Step 2: Convert to fraction form
    92,048.92/137,985.87 = 58,675.30/x
  3. Step 3: Cross multiply
    92,048.92x = 137,985.87 × 58,675.30
  4. Step 4: Simplify right side
    92,048.92x = 8,096,362,318.01
  5. Step 5: Solve for x
    x = 8,096,362,318.01/92,048.92
  6. Step 6: Final answer
    x = 87,957.17

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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.