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Finding the Fourth Proportional to 84,019.94, 115,942.16 and 46,294.18

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Solution

The fourth proportional to 84,019.94, 115,942.16 and 46,294.18 is: 63,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,019.94 : 115,942.16 = 46,294.18 : x
  2. Step 2: Convert to fraction form
    84,019.94/115,942.16 = 46,294.18/x
  3. Step 3: Cross multiply
    84,019.94x = 115,942.16 × 46,294.18
  4. Step 4: Simplify right side
    84,019.94x = 5,367,447,224.63
  5. Step 5: Solve for x
    x = 5,367,447,224.63/84,019.94
  6. Step 6: Final answer
    x = 63,883.02

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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.