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Finding the Fourth Proportional to 58,124.72, 79,688.02 and 57,074.96

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Solution

The fourth proportional to 58,124.72, 79,688.02 and 57,074.96 is: 78,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,124.72 : 79,688.02 = 57,074.96 : x
  2. Step 2: Convert to fraction form
    58,124.72/79,688.02 = 57,074.96/x
  3. Step 3: Cross multiply
    58,124.72x = 79,688.02 × 57,074.96
  4. Step 4: Simplify right side
    58,124.72x = 4,548,190,553.98
  5. Step 5: Solve for x
    x = 4,548,190,553.98/58,124.72
  6. Step 6: Final answer
    x = 78,248.82

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.