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Finding the Fourth Proportional to 171,607.57, 236,818.50 and 104,539.57

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Solution

The fourth proportional to 171,607.57, 236,818.50 and 104,539.57 is: 144,264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,607.57 : 236,818.50 = 104,539.57 : x
  2. Step 2: Convert to fraction form
    171,607.57/236,818.50 = 104,539.57/x
  3. Step 3: Cross multiply
    171,607.57x = 236,818.50 × 104,539.57
  4. Step 4: Simplify right side
    171,607.57x = 24,756,904,158.05
  5. Step 5: Solve for x
    x = 24,756,904,158.05/171,607.57
  6. Step 6: Final answer
    x = 144,264.64

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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.