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Finding the Fourth Proportional to 66,973.84, 92,436.64 and 44,313.28

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Solution

The fourth proportional to 66,973.84, 92,436.64 and 44,313.28 is: 61,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,973.84 : 92,436.64 = 44,313.28 : x
  2. Step 2: Convert to fraction form
    66,973.84/92,436.64 = 44,313.28/x
  3. Step 3: Cross multiply
    66,973.84x = 92,436.64 × 44,313.28
  4. Step 4: Simplify right side
    66,973.84x = 4,096,170,710.58
  5. Step 5: Solve for x
    x = 4,096,170,710.58/66,973.84
  6. Step 6: Final answer
    x = 61,160.76

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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.