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Finding the Fourth Proportional to 173,408.10, 260,047.35 and 120,660.90

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Solution

The fourth proportional to 173,408.10, 260,047.35 and 120,660.90 is: 180,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,408.10 : 260,047.35 = 120,660.90 : x
  2. Step 2: Convert to fraction form
    173,408.10/260,047.35 = 120,660.90/x
  3. Step 3: Cross multiply
    173,408.10x = 260,047.35 × 120,660.90
  4. Step 4: Simplify right side
    173,408.10x = 31,377,547,293.62
  5. Step 5: Solve for x
    x = 31,377,547,293.62/173,408.10
  6. Step 6: Final answer
    x = 180,946.26

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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.