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Finding the Fourth Proportional to 194,718.40, 292,077.60 and 172,945.60

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Solution

The fourth proportional to 194,718.40, 292,077.60 and 172,945.60 is: 259,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,718.40 : 292,077.60 = 172,945.60 : x
  2. Step 2: Convert to fraction form
    194,718.40/292,077.60 = 172,945.60/x
  3. Step 3: Cross multiply
    194,718.40x = 292,077.60 × 172,945.60
  4. Step 4: Simplify right side
    194,718.40x = 50,513,535,778.56
  5. Step 5: Solve for x
    x = 50,513,535,778.56/194,718.40
  6. Step 6: Final answer
    x = 259,418.40

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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.