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Finding the Fourth Proportional to 247,645.62, 371,258.61 and 97,991.51

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Solution

The fourth proportional to 247,645.62, 371,258.61 and 97,991.51 is: 146,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,645.62 : 371,258.61 = 97,991.51 : x
  2. Step 2: Convert to fraction form
    247,645.62/371,258.61 = 97,991.51/x
  3. Step 3: Cross multiply
    247,645.62x = 371,258.61 × 97,991.51
  4. Step 4: Simplify right side
    247,645.62x = 36,380,189,570.64
  5. Step 5: Solve for x
    x = 36,380,189,570.64/247,645.62
  6. Step 6: Final answer
    x = 146,904.23

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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.