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Finding the Fourth Proportional to 243,927.46, 336,603.62 and 135,024.43

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Solution

The fourth proportional to 243,927.46, 336,603.62 and 135,024.43 is: 186,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,927.46 : 336,603.62 = 135,024.43 : x
  2. Step 2: Convert to fraction form
    243,927.46/336,603.62 = 135,024.43/x
  3. Step 3: Cross multiply
    243,927.46x = 336,603.62 × 135,024.43
  4. Step 4: Simplify right side
    243,927.46x = 45,449,711,926.44
  5. Step 5: Solve for x
    x = 45,449,711,926.44/243,927.46
  6. Step 6: Final answer
    x = 186,324.70

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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.