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Finding the Fourth Proportional to 84,950.70, 117,221.76 and 46,703.94

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Solution

The fourth proportional to 84,950.70, 117,221.76 and 46,703.94 is: 64,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,950.70 : 117,221.76 = 46,703.94 : x
  2. Step 2: Convert to fraction form
    84,950.70/117,221.76 = 46,703.94/x
  3. Step 3: Cross multiply
    84,950.70x = 117,221.76 × 46,703.94
  4. Step 4: Simplify right side
    84,950.70x = 5,474,718,045.73
  5. Step 5: Solve for x
    x = 5,474,718,045.73/84,950.70
  6. Step 6: Final answer
    x = 64,445.83

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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.