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Finding the Fourth Proportional to 353,109.51, 529,589.54 and 116,395.92

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Solution

The fourth proportional to 353,109.51, 529,589.54 and 116,395.92 is: 174,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,109.51 : 529,589.54 = 116,395.92 : x
  2. Step 2: Convert to fraction form
    353,109.51/529,589.54 = 116,395.92/x
  3. Step 3: Cross multiply
    353,109.51x = 529,589.54 × 116,395.92
  4. Step 4: Simplify right side
    353,109.51x = 61,642,058,500.75
  5. Step 5: Solve for x
    x = 61,642,058,500.75/353,109.51
  6. Step 6: Final answer
    x = 174,569.24

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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.