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Finding the Fourth Proportional to 78,837.75, 118,256.67 and 23,433.75

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Solution

The fourth proportional to 78,837.75, 118,256.67 and 23,433.75 is: 35,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,837.75 : 118,256.67 = 23,433.75 : x
  2. Step 2: Convert to fraction form
    78,837.75/118,256.67 = 23,433.75/x
  3. Step 3: Cross multiply
    78,837.75x = 118,256.67 × 23,433.75
  4. Step 4: Simplify right side
    78,837.75x = 2,771,197,240.61
  5. Step 5: Solve for x
    x = 2,771,197,240.61/78,837.75
  6. Step 6: Final answer
    x = 35,150.64

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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.