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Finding the Fourth Proportional to 146,485.84, 219,728.22 and 61,192.84

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Solution

The fourth proportional to 146,485.84, 219,728.22 and 61,192.84 is: 91,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,485.84 : 219,728.22 = 61,192.84 : x
  2. Step 2: Convert to fraction form
    146,485.84/219,728.22 = 61,192.84/x
  3. Step 3: Cross multiply
    146,485.84x = 219,728.22 × 61,192.84
  4. Step 4: Simplify right side
    146,485.84x = 13,445,793,809.94
  5. Step 5: Solve for x
    x = 13,445,793,809.94/146,485.84
  6. Step 6: Final answer
    x = 91,789.03

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1.5x scale

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.