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Finding the Fourth Proportional to 184,266.40, 276,545.40 and 72,000.40

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Solution

The fourth proportional to 184,266.40, 276,545.40 and 72,000.40 is: 108,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,266.40 : 276,545.40 = 72,000.40 : x
  2. Step 2: Convert to fraction form
    184,266.40/276,545.40 = 72,000.40/x
  3. Step 3: Cross multiply
    184,266.40x = 276,545.40 × 72,000.40
  4. Step 4: Simplify right side
    184,266.40x = 19,911,379,418.16
  5. Step 5: Solve for x
    x = 19,911,379,418.16/184,266.40
  6. Step 6: Final answer
    x = 108,057.57

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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.