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Finding the Fourth Proportional to 243,598.66, 336,166.59 and 136,168.63

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Solution

The fourth proportional to 243,598.66, 336,166.59 and 136,168.63 is: 187,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,598.66 : 336,166.59 = 136,168.63 : x
  2. Step 2: Convert to fraction form
    243,598.66/336,166.59 = 136,168.63/x
  3. Step 3: Cross multiply
    243,598.66x = 336,166.59 × 136,168.63
  4. Step 4: Simplify right side
    243,598.66x = 45,775,343,682.29
  5. Step 5: Solve for x
    x = 45,775,343,682.29/243,598.66
  6. Step 6: Final answer
    x = 187,912.96

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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.