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Finding the Fourth Proportional to 173,379.78, 260,046.16 and 47,028.16

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Solution

The fourth proportional to 173,379.78, 260,046.16 and 47,028.16 is: 70,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,379.78 : 260,046.16 = 47,028.16 : x
  2. Step 2: Convert to fraction form
    173,379.78/260,046.16 = 47,028.16/x
  3. Step 3: Cross multiply
    173,379.78x = 260,046.16 × 47,028.16
  4. Step 4: Simplify right side
    173,379.78x = 12,229,492,419.87
  5. Step 5: Solve for x
    x = 12,229,492,419.87/173,379.78
  6. Step 6: Final answer
    x = 70,535.86

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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.