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Finding the Fourth Proportional to 115,445.40, 173,081.70 and 62,914.20

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Solution

The fourth proportional to 115,445.40, 173,081.70 and 62,914.20 is: 94,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,445.40 : 173,081.70 = 62,914.20 : x
  2. Step 2: Convert to fraction form
    115,445.40/173,081.70 = 62,914.20/x
  3. Step 3: Cross multiply
    115,445.40x = 173,081.70 × 62,914.20
  4. Step 4: Simplify right side
    115,445.40x = 10,889,296,690.14
  5. Step 5: Solve for x
    x = 10,889,296,690.14/115,445.40
  6. Step 6: Final answer
    x = 94,324.21

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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.