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Finding the Fourth Proportional to 247,258.40, 370,725.60 and 97,408.40

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Solution

The fourth proportional to 247,258.40, 370,725.60 and 97,408.40 is: 146,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,258.40 : 370,725.60 = 97,408.40 : x
  2. Step 2: Convert to fraction form
    247,258.40/370,725.60 = 97,408.40/x
  3. Step 3: Cross multiply
    247,258.40x = 370,725.60 × 97,408.40
  4. Step 4: Simplify right side
    247,258.40x = 36,111,787,535.04
  5. Step 5: Solve for x
    x = 36,111,787,535.04/247,258.40
  6. Step 6: Final answer
    x = 146,048.78

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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.