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Finding the Fourth Proportional to 235,637.32, 353,455.98 and 67,161.16

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Solution

The fourth proportional to 235,637.32, 353,455.98 and 67,161.16 is: 100,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,637.32 : 353,455.98 = 67,161.16 : x
  2. Step 2: Convert to fraction form
    235,637.32/353,455.98 = 67,161.16/x
  3. Step 3: Cross multiply
    235,637.32x = 353,455.98 × 67,161.16
  4. Step 4: Simplify right side
    235,637.32x = 23,738,513,625.74
  5. Step 5: Solve for x
    x = 23,738,513,625.74/235,637.32
  6. Step 6: Final answer
    x = 100,741.74

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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.