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Finding the Fourth Proportional to 84,045.94, 115,983.43 and 46,320.19

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Solution

The fourth proportional to 84,045.94, 115,983.43 and 46,320.19 is: 63,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,045.94 : 115,983.43 = 46,320.19 : x
  2. Step 2: Convert to fraction form
    84,045.94/115,983.43 = 46,320.19/x
  3. Step 3: Cross multiply
    84,045.94x = 115,983.43 × 46,320.19
  4. Step 4: Simplify right side
    84,045.94x = 5,372,374,108.69
  5. Step 5: Solve for x
    x = 5,372,374,108.69/84,045.94
  6. Step 6: Final answer
    x = 63,921.88

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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.