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Finding the Fourth Proportional to 229,920.76, 344,780.60 and 115,998.48

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Solution

The fourth proportional to 229,920.76, 344,780.60 and 115,998.48 is: 173,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,920.76 : 344,780.60 = 115,998.48 : x
  2. Step 2: Convert to fraction form
    229,920.76/344,780.60 = 115,998.48/x
  3. Step 3: Cross multiply
    229,920.76x = 344,780.60 × 115,998.48
  4. Step 4: Simplify right side
    229,920.76x = 39,994,025,533.49
  5. Step 5: Solve for x
    x = 39,994,025,533.49/229,920.76
  6. Step 6: Final answer
    x = 173,947.00

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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.