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Finding the Fourth Proportional to 243,838.34, 336,497.40 and 136,410.17

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Solution

The fourth proportional to 243,838.34, 336,497.40 and 136,410.17 is: 188,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,838.34 : 336,497.40 = 136,410.17 : x
  2. Step 2: Convert to fraction form
    243,838.34/336,497.40 = 136,410.17/x
  3. Step 3: Cross multiply
    243,838.34x = 336,497.40 × 136,410.17
  4. Step 4: Simplify right side
    243,838.34x = 45,901,665,856.07
  5. Step 5: Solve for x
    x = 45,901,665,856.07/243,838.34
  6. Step 6: Final answer
    x = 188,246.31

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1.5x scale

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.