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Finding the Fourth Proportional to 66,932, 92,366.16 and 37,124

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Solution

The fourth proportional to 66,932, 92,366.16 and 37,124 is: 51,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,932 : 92,366.16 = 37,124 : x
  2. Step 2: Convert to fraction form
    66,932/92,366.16 = 37,124/x
  3. Step 3: Cross multiply
    66,932x = 92,366.16 × 37,124
  4. Step 4: Simplify right side
    66,932x = 3,429,001,323.84
  5. Step 5: Solve for x
    x = 3,429,001,323.84/66,932
  6. Step 6: Final answer
    x = 51,231.12

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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.