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Finding the Fourth Proportional to 84,415.88, 116,496.96 and 46,690.40

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Solution

The fourth proportional to 84,415.88, 116,496.96 and 46,690.40 is: 64,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,415.88 : 116,496.96 = 46,690.40 : x
  2. Step 2: Convert to fraction form
    84,415.88/116,496.96 = 46,690.40/x
  3. Step 3: Cross multiply
    84,415.88x = 116,496.96 × 46,690.40
  4. Step 4: Simplify right side
    84,415.88x = 5,439,289,661.18
  5. Step 5: Solve for x
    x = 5,439,289,661.18/84,415.88
  6. Step 6: Final answer
    x = 64,434.44

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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.