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Finding the Fourth Proportional to 251,883.68, 347,495.16 and 149,888.72

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Solution

The fourth proportional to 251,883.68, 347,495.16 and 149,888.72 is: 206,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,883.68 : 347,495.16 = 149,888.72 : x
  2. Step 2: Convert to fraction form
    251,883.68/347,495.16 = 149,888.72/x
  3. Step 3: Cross multiply
    251,883.68x = 347,495.16 × 149,888.72
  4. Step 4: Simplify right side
    251,883.68x = 52,085,604,738.60
  5. Step 5: Solve for x
    x = 52,085,604,738.60/251,883.68
  6. Step 6: Final answer
    x = 206,784.36

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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.