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Finding the Fourth Proportional to 88,898.62, 122,580.33 and 56,582.05

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Solution

The fourth proportional to 88,898.62, 122,580.33 and 56,582.05 is: 78,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,898.62 : 122,580.33 = 56,582.05 : x
  2. Step 2: Convert to fraction form
    88,898.62/122,580.33 = 56,582.05/x
  3. Step 3: Cross multiply
    88,898.62x = 122,580.33 × 56,582.05
  4. Step 4: Simplify right side
    88,898.62x = 6,935,846,361.08
  5. Step 5: Solve for x
    x = 6,935,846,361.08/88,898.62
  6. Step 6: Final answer
    x = 78,019.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.