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Finding the Fourth Proportional to 272,554.02, 408,996.46 and 101,899.98

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Solution

The fourth proportional to 272,554.02, 408,996.46 and 101,899.98 is: 152,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,554.02 : 408,996.46 = 101,899.98 : x
  2. Step 2: Convert to fraction form
    272,554.02/408,996.46 = 101,899.98/x
  3. Step 3: Cross multiply
    272,554.02x = 408,996.46 × 101,899.98
  4. Step 4: Simplify right side
    272,554.02x = 41,676,731,094.07
  5. Step 5: Solve for x
    x = 41,676,731,094.07/272,554.02
  6. Step 6: Final answer
    x = 152,911.82

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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.