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Finding the Fourth Proportional to 84,014.92, 125,814.88 and 62,616.32

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Solution

The fourth proportional to 84,014.92, 125,814.88 and 62,616.32 is: 93,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,014.92 : 125,814.88 = 62,616.32 : x
  2. Step 2: Convert to fraction form
    84,014.92/125,814.88 = 62,616.32/x
  3. Step 3: Cross multiply
    84,014.92x = 125,814.88 × 62,616.32
  4. Step 4: Simplify right side
    84,014.92x = 7,878,064,551.30
  5. Step 5: Solve for x
    x = 7,878,064,551.30/84,014.92
  6. Step 6: Final answer
    x = 93,769.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.