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Finding the Fourth Proportional to 168,915.61, 233,066.55 and 100,922.39

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Solution

The fourth proportional to 168,915.61, 233,066.55 and 100,922.39 is: 139,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,915.61 : 233,066.55 = 100,922.39 : x
  2. Step 2: Convert to fraction form
    168,915.61/233,066.55 = 100,922.39/x
  3. Step 3: Cross multiply
    168,915.61x = 233,066.55 × 100,922.39
  4. Step 4: Simplify right side
    168,915.61x = 23,521,633,255.05
  5. Step 5: Solve for x
    x = 23,521,633,255.05/168,915.61
  6. Step 6: Final answer
    x = 139,250.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.