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Finding the Fourth Proportional to 101,897.52, 152,846.18 and 66,828.98

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Solution

The fourth proportional to 101,897.52, 152,846.18 and 66,828.98 is: 100,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,897.52 : 152,846.18 = 66,828.98 : x
  2. Step 2: Convert to fraction form
    101,897.52/152,846.18 = 66,828.98/x
  3. Step 3: Cross multiply
    101,897.52x = 152,846.18 × 66,828.98
  4. Step 4: Simplify right side
    101,897.52x = 10,214,554,306.30
  5. Step 5: Solve for x
    x = 10,214,554,306.30/101,897.52
  6. Step 6: Final answer
    x = 100,243.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.