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Finding the Fourth Proportional to 92,491.52, 127,638.74 and 52,206.98

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Solution

The fourth proportional to 92,491.52, 127,638.74 and 52,206.98 is: 72,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,491.52 : 127,638.74 = 52,206.98 : x
  2. Step 2: Convert to fraction form
    92,491.52/127,638.74 = 52,206.98/x
  3. Step 3: Cross multiply
    92,491.52x = 127,638.74 × 52,206.98
  4. Step 4: Simplify right side
    92,491.52x = 6,663,633,146.41
  5. Step 5: Solve for x
    x = 6,663,633,146.41/92,491.52
  6. Step 6: Final answer
    x = 72,045.88

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1.5x scale

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.