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Finding the Fourth Proportional to 115,475.60, 173,213.40 and 65,536.40

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Solution

The fourth proportional to 115,475.60, 173,213.40 and 65,536.40 is: 98,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,475.60 : 173,213.40 = 65,536.40 : x
  2. Step 2: Convert to fraction form
    115,475.60/173,213.40 = 65,536.40/x
  3. Step 3: Cross multiply
    115,475.60x = 173,213.40 × 65,536.40
  4. Step 4: Simplify right side
    115,475.60x = 11,351,782,667.76
  5. Step 5: Solve for x
    x = 11,351,782,667.76/115,475.60
  6. Step 6: Final answer
    x = 98,304.60

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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.