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Finding the Fourth Proportional to 198,495.54, 273,920.52 and 107,852.89

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Solution

The fourth proportional to 198,495.54, 273,920.52 and 107,852.89 is: 148,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,495.54 : 273,920.52 = 107,852.89 : x
  2. Step 2: Convert to fraction form
    198,495.54/273,920.52 = 107,852.89/x
  3. Step 3: Cross multiply
    198,495.54x = 273,920.52 × 107,852.89
  4. Step 4: Simplify right side
    198,495.54x = 29,543,119,712.30
  5. Step 5: Solve for x
    x = 29,543,119,712.30/198,495.54
  6. Step 6: Final answer
    x = 148,835.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.