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Finding the Fourth Proportional to 146,894.92, 220,188.60 and 61,554.64

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Solution

The fourth proportional to 146,894.92, 220,188.60 and 61,554.64 is: 92,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,894.92 : 220,188.60 = 61,554.64 : x
  2. Step 2: Convert to fraction form
    146,894.92/220,188.60 = 61,554.64/x
  3. Step 3: Cross multiply
    146,894.92x = 220,188.60 × 61,554.64
  4. Step 4: Simplify right side
    146,894.92x = 13,553,630,005.10
  5. Step 5: Solve for x
    x = 13,553,630,005.10/146,894.92
  6. Step 6: Final answer
    x = 92,267.52

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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.