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Finding the Fourth Proportional to 84,108.61, 116,069.86 and 46,382.86

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Solution

The fourth proportional to 84,108.61, 116,069.86 and 46,382.86 is: 64,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,108.61 : 116,069.86 = 46,382.86 : x
  2. Step 2: Convert to fraction form
    84,108.61/116,069.86 = 46,382.86/x
  3. Step 3: Cross multiply
    84,108.61x = 116,069.86 × 46,382.86
  4. Step 4: Simplify right side
    84,108.61x = 5,383,652,269.67
  5. Step 5: Solve for x
    x = 5,383,652,269.67/84,108.61
  6. Step 6: Final answer
    x = 64,008.34

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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.