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Finding the Fourth Proportional to 66,965.33, 92,416.32 and 44,264.96

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Solution

The fourth proportional to 66,965.33, 92,416.32 and 44,264.96 is: 61,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,965.33 : 92,416.32 = 44,264.96 : x
  2. Step 2: Convert to fraction form
    66,965.33/92,416.32 = 44,264.96/x
  3. Step 3: Cross multiply
    66,965.33x = 92,416.32 × 44,264.96
  4. Step 4: Simplify right side
    66,965.33x = 4,090,804,208.21
  5. Step 5: Solve for x
    x = 4,090,804,208.21/66,965.33
  6. Step 6: Final answer
    x = 61,088.39

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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.