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Finding the Fourth Proportional to 84,950.72, 117,235 and 46,713.18

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Solution

The fourth proportional to 84,950.72, 117,235 and 46,713.18 is: 64,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,950.72 : 117,235 = 46,713.18 : x
  2. Step 2: Convert to fraction form
    84,950.72/117,235 = 46,713.18/x
  3. Step 3: Cross multiply
    84,950.72x = 117,235 × 46,713.18
  4. Step 4: Simplify right side
    84,950.72x = 5,476,419,657.30
  5. Step 5: Solve for x
    x = 5,476,419,657.30/84,950.72
  6. Step 6: Final answer
    x = 64,465.84

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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.