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Finding the Fourth Proportional to 197,390.54, 296,054.88 and 64,269.90

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Solution

The fourth proportional to 197,390.54, 296,054.88 and 64,269.90 is: 96,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,390.54 : 296,054.88 = 64,269.90 : x
  2. Step 2: Convert to fraction form
    197,390.54/296,054.88 = 64,269.90/x
  3. Step 3: Cross multiply
    197,390.54x = 296,054.88 × 64,269.90
  4. Step 4: Simplify right side
    197,390.54x = 19,027,417,532.11
  5. Step 5: Solve for x
    x = 19,027,417,532.11/197,390.54
  6. Step 6: Final answer
    x = 96,394.78

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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.