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Finding the Fourth Proportional to 229,336.80, 344,005.20 and 60,856.80

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Solution

The fourth proportional to 229,336.80, 344,005.20 and 60,856.80 is: 91,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,336.80 : 344,005.20 = 60,856.80 : x
  2. Step 2: Convert to fraction form
    229,336.80/344,005.20 = 60,856.80/x
  3. Step 3: Cross multiply
    229,336.80x = 344,005.20 × 60,856.80
  4. Step 4: Simplify right side
    229,336.80x = 20,935,055,655.36
  5. Step 5: Solve for x
    x = 20,935,055,655.36/229,336.80
  6. Step 6: Final answer
    x = 91,285.20

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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.