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Finding the Fourth Proportional to 252,093.51, 347,887.17 and 138,916.26

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Solution

The fourth proportional to 252,093.51, 347,887.17 and 138,916.26 is: 191,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,093.51 : 347,887.17 = 138,916.26 : x
  2. Step 2: Convert to fraction form
    252,093.51/347,887.17 = 138,916.26/x
  3. Step 3: Cross multiply
    252,093.51x = 347,887.17 × 138,916.26
  4. Step 4: Simplify right side
    252,093.51x = 48,327,184,558.38
  5. Step 5: Solve for x
    x = 48,327,184,558.38/252,093.51
  6. Step 6: Final answer
    x = 191,703.41

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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.