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Finding the Fourth Proportional to 84,590.85, 116,733.83 and 50,158.76

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Solution

The fourth proportional to 84,590.85, 116,733.83 and 50,158.76 is: 69,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,590.85 : 116,733.83 = 50,158.76 : x
  2. Step 2: Convert to fraction form
    84,590.85/116,733.83 = 50,158.76/x
  3. Step 3: Cross multiply
    84,590.85x = 116,733.83 × 50,158.76
  4. Step 4: Simplify right side
    84,590.85x = 5,855,224,126.41
  5. Step 5: Solve for x
    x = 5,855,224,126.41/84,590.85
  6. Step 6: Final answer
    x = 69,218.17

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1.5x scale

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.