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Finding the Fourth Proportional to 89,503.86, 134,282.43 and 36,916.50

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Solution

The fourth proportional to 89,503.86, 134,282.43 and 36,916.50 is: 55,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,503.86 : 134,282.43 = 36,916.50 : x
  2. Step 2: Convert to fraction form
    89,503.86/134,282.43 = 36,916.50/x
  3. Step 3: Cross multiply
    89,503.86x = 134,282.43 × 36,916.50
  4. Step 4: Simplify right side
    89,503.86x = 4,957,237,327.10
  5. Step 5: Solve for x
    x = 4,957,237,327.10/89,503.86
  6. Step 6: Final answer
    x = 55,385.74

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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.