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Finding the Fourth Proportional to 227,280.98, 340,921.28 and 61,068.98

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Solution

The fourth proportional to 227,280.98, 340,921.28 and 61,068.98 is: 91,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,280.98 : 340,921.28 = 61,068.98 : x
  2. Step 2: Convert to fraction form
    227,280.98/340,921.28 = 61,068.98/x
  3. Step 3: Cross multiply
    227,280.98x = 340,921.28 × 61,068.98
  4. Step 4: Simplify right side
    227,280.98x = 20,819,714,829.89
  5. Step 5: Solve for x
    x = 20,819,714,829.89/227,280.98
  6. Step 6: Final answer
    x = 91,603.42

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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.