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Finding the Fourth Proportional to 172,264.56, 237,670.23 and 104,259.79

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Solution

The fourth proportional to 172,264.56, 237,670.23 and 104,259.79 is: 143,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,264.56 : 237,670.23 = 104,259.79 : x
  2. Step 2: Convert to fraction form
    172,264.56/237,670.23 = 104,259.79/x
  3. Step 3: Cross multiply
    172,264.56x = 237,670.23 × 104,259.79
  4. Step 4: Simplify right side
    172,264.56x = 24,779,448,269.05
  5. Step 5: Solve for x
    x = 24,779,448,269.05/172,264.56
  6. Step 6: Final answer
    x = 143,845.31

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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.