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Finding the Fourth Proportional to 146,580.40, 219,724.80 and 67,556.80

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Solution

The fourth proportional to 146,580.40, 219,724.80 and 67,556.80 is: 101,268.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,580.40 : 219,724.80 = 67,556.80 : x
  2. Step 2: Convert to fraction form
    146,580.40/219,724.80 = 67,556.80/x
  3. Step 3: Cross multiply
    146,580.40x = 219,724.80 × 67,556.80
  4. Step 4: Simplify right side
    146,580.40x = 14,843,904,368.64
  5. Step 5: Solve for x
    x = 14,843,904,368.64/146,580.40
  6. Step 6: Final answer
    x = 101,268.00

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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.