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Finding the Fourth Proportional to 224,589.39, 336,503.43 and 135,656.06

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Solution

The fourth proportional to 224,589.39, 336,503.43 and 135,656.06 is: 203,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,589.39 : 336,503.43 = 135,656.06 : x
  2. Step 2: Convert to fraction form
    224,589.39/336,503.43 = 135,656.06/x
  3. Step 3: Cross multiply
    224,589.39x = 336,503.43 × 135,656.06
  4. Step 4: Simplify right side
    224,589.39x = 45,648,727,807.77
  5. Step 5: Solve for x
    x = 45,648,727,807.77/224,589.39
  6. Step 6: Final answer
    x = 203,254.16

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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.