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Finding the Fourth Proportional to 216,644.33, 299,044.33 and 148,885.60

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Solution

The fourth proportional to 216,644.33, 299,044.33 and 148,885.60 is: 205,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,644.33 : 299,044.33 = 148,885.60 : x
  2. Step 2: Convert to fraction form
    216,644.33/299,044.33 = 148,885.60/x
  3. Step 3: Cross multiply
    216,644.33x = 299,044.33 × 148,885.60
  4. Step 4: Simplify right side
    216,644.33x = 44,523,393,378.82
  5. Step 5: Solve for x
    x = 44,523,393,378.82/216,644.33
  6. Step 6: Final answer
    x = 205,513.78

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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.