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Finding the Fourth Proportional to 79,506.37, 119,281.07 and 26,915.86

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Solution

The fourth proportional to 79,506.37, 119,281.07 and 26,915.86 is: 40,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,506.37 : 119,281.07 = 26,915.86 : x
  2. Step 2: Convert to fraction form
    79,506.37/119,281.07 = 26,915.86/x
  3. Step 3: Cross multiply
    79,506.37x = 119,281.07 × 26,915.86
  4. Step 4: Simplify right side
    79,506.37x = 3,210,552,446.19
  5. Step 5: Solve for x
    x = 3,210,552,446.19/79,506.37
  6. Step 6: Final answer
    x = 40,381.07

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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.