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Finding the Fourth Proportional to 115,330.20, 173,068.20 and 67,945.20

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Solution

The fourth proportional to 115,330.20, 173,068.20 and 67,945.20 is: 101,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,330.20 : 173,068.20 = 67,945.20 : x
  2. Step 2: Convert to fraction form
    115,330.20/173,068.20 = 67,945.20/x
  3. Step 3: Cross multiply
    115,330.20x = 173,068.20 × 67,945.20
  4. Step 4: Simplify right side
    115,330.20x = 11,759,153,462.64
  5. Step 5: Solve for x
    x = 11,759,153,462.64/115,330.20
  6. Step 6: Final answer
    x = 101,960.75

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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.