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Finding the Fourth Proportional to 253,256.88, 349,495.92 and 140,083.68

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Solution

The fourth proportional to 253,256.88, 349,495.92 and 140,083.68 is: 193,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,256.88 : 349,495.92 = 140,083.68 : x
  2. Step 2: Convert to fraction form
    253,256.88/349,495.92 = 140,083.68/x
  3. Step 3: Cross multiply
    253,256.88x = 349,495.92 × 140,083.68
  4. Step 4: Simplify right side
    253,256.88x = 48,958,674,618.59
  5. Step 5: Solve for x
    x = 48,958,674,618.59/253,256.88
  6. Step 6: Final answer
    x = 193,316.27

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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.