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Finding the Fourth Proportional to 84,568.76, 116,704.90 and 46,329.67

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Solution

The fourth proportional to 84,568.76, 116,704.90 and 46,329.67 is: 63,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,568.76 : 116,704.90 = 46,329.67 : x
  2. Step 2: Convert to fraction form
    84,568.76/116,704.90 = 46,329.67/x
  3. Step 3: Cross multiply
    84,568.76x = 116,704.90 × 46,329.67
  4. Step 4: Simplify right side
    84,568.76x = 5,406,898,689.21
  5. Step 5: Solve for x
    x = 5,406,898,689.21/84,568.76
  6. Step 6: Final answer
    x = 63,934.94

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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.