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Finding the Fourth Proportional to 161,848.98, 242,773.47 and 68,355.54

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Solution

The fourth proportional to 161,848.98, 242,773.47 and 68,355.54 is: 102,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,848.98 : 242,773.47 = 68,355.54 : x
  2. Step 2: Convert to fraction form
    161,848.98/242,773.47 = 68,355.54/x
  3. Step 3: Cross multiply
    161,848.98x = 242,773.47 × 68,355.54
  4. Step 4: Simplify right side
    161,848.98x = 16,594,911,639.52
  5. Step 5: Solve for x
    x = 16,594,911,639.52/161,848.98
  6. Step 6: Final answer
    x = 102,533.31

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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.