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Finding the Fourth Proportional to 173,735.40, 260,408.70 and 98,891.40

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Solution

The fourth proportional to 173,735.40, 260,408.70 and 98,891.40 is: 148,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,735.40 : 260,408.70 = 98,891.40 : x
  2. Step 2: Convert to fraction form
    173,735.40/260,408.70 = 98,891.40/x
  3. Step 3: Cross multiply
    173,735.40x = 260,408.70 × 98,891.40
  4. Step 4: Simplify right side
    173,735.40x = 25,752,180,915.18
  5. Step 5: Solve for x
    x = 25,752,180,915.18/173,735.40
  6. Step 6: Final answer
    x = 148,226.45

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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.