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Finding the Fourth Proportional to 292,773.51, 438,849.23 and 115,256.07

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Solution

The fourth proportional to 292,773.51, 438,849.23 and 115,256.07 is: 172,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,773.51 : 438,849.23 = 115,256.07 : x
  2. Step 2: Convert to fraction form
    292,773.51/438,849.23 = 115,256.07/x
  3. Step 3: Cross multiply
    292,773.51x = 438,849.23 × 115,256.07
  4. Step 4: Simplify right side
    292,773.51x = 50,580,036,996.05
  5. Step 5: Solve for x
    x = 50,580,036,996.05/292,773.51
  6. Step 6: Final answer
    x = 172,761.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.