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Finding the Fourth Proportional to 84,860.85, 117,109.83 and 46,620.89

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Solution

The fourth proportional to 84,860.85, 117,109.83 and 46,620.89 is: 64,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,860.85 : 117,109.83 = 46,620.89 : x
  2. Step 2: Convert to fraction form
    84,860.85/117,109.83 = 46,620.89/x
  3. Step 3: Cross multiply
    84,860.85x = 117,109.83 × 46,620.89
  4. Step 4: Simplify right side
    84,860.85x = 5,459,764,502.35
  5. Step 5: Solve for x
    x = 5,459,764,502.35/84,860.85
  6. Step 6: Final answer
    x = 64,337.85

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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.