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Finding the Fourth Proportional to 243,825.63, 336,492.44 and 136,389.26

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Solution

The fourth proportional to 243,825.63, 336,492.44 and 136,389.26 is: 188,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,825.63 : 336,492.44 = 136,389.26 : x
  2. Step 2: Convert to fraction form
    243,825.63/336,492.44 = 136,389.26/x
  3. Step 3: Cross multiply
    243,825.63x = 336,492.44 × 136,389.26
  4. Step 4: Simplify right side
    243,825.63x = 45,893,952,522.79
  5. Step 5: Solve for x
    x = 45,893,952,522.79/243,825.63
  6. Step 6: Final answer
    x = 188,224.48

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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.