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Finding the Fourth Proportional to 243,523.64, 336,063.85 and 136,095.46

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Solution

The fourth proportional to 243,523.64, 336,063.85 and 136,095.46 is: 187,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,523.64 : 336,063.85 = 136,095.46 : x
  2. Step 2: Convert to fraction form
    243,523.64/336,063.85 = 136,095.46/x
  3. Step 3: Cross multiply
    243,523.64x = 336,063.85 × 136,095.46
  4. Step 4: Simplify right side
    243,523.64x = 45,736,763,074.72
  5. Step 5: Solve for x
    x = 45,736,763,074.72/243,523.64
  6. Step 6: Final answer
    x = 187,812.41

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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.