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Finding the Fourth Proportional to 66,809.94, 92,196.58 and 36,182.77

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Solution

The fourth proportional to 66,809.94, 92,196.58 and 36,182.77 is: 49,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,809.94 : 92,196.58 = 36,182.77 : x
  2. Step 2: Convert to fraction form
    66,809.94/92,196.58 = 36,182.77/x
  3. Step 3: Cross multiply
    66,809.94x = 92,196.58 × 36,182.77
  4. Step 4: Simplify right side
    66,809.94x = 3,335,927,648.93
  5. Step 5: Solve for x
    x = 3,335,927,648.93/66,809.94
  6. Step 6: Final answer
    x = 49,931.61

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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.