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Finding the Fourth Proportional to 61,510.34, 91,928.49 and 44,905.34

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Solution

The fourth proportional to 61,510.34, 91,928.49 and 44,905.34 is: 67,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,510.34 : 91,928.49 = 44,905.34 : x
  2. Step 2: Convert to fraction form
    61,510.34/91,928.49 = 44,905.34/x
  3. Step 3: Cross multiply
    61,510.34x = 91,928.49 × 44,905.34
  4. Step 4: Simplify right side
    61,510.34x = 4,128,079,639.49
  5. Step 5: Solve for x
    x = 4,128,079,639.49/61,510.34
  6. Step 6: Final answer
    x = 67,111.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.