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Finding the Fourth Proportional to 97,667.54, 146,349.75 and 67,740.20

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Solution

The fourth proportional to 97,667.54, 146,349.75 and 67,740.20 is: 101,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,667.54 : 146,349.75 = 67,740.20 : x
  2. Step 2: Convert to fraction form
    97,667.54/146,349.75 = 67,740.20/x
  3. Step 3: Cross multiply
    97,667.54x = 146,349.75 × 67,740.20
  4. Step 4: Simplify right side
    97,667.54x = 9,913,761,334.95
  5. Step 5: Solve for x
    x = 9,913,761,334.95/97,667.54
  6. Step 6: Final answer
    x = 101,505.18

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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.