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Finding the Fourth Proportional to 243,506.93, 336,046.74 and 136,077.22

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Solution

The fourth proportional to 243,506.93, 336,046.74 and 136,077.22 is: 187,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,506.93 : 336,046.74 = 136,077.22 : x
  2. Step 2: Convert to fraction form
    243,506.93/336,046.74 = 136,077.22/x
  3. Step 3: Cross multiply
    243,506.93x = 336,046.74 × 136,077.22
  4. Step 4: Simplify right side
    243,506.93x = 45,728,306,169.26
  5. Step 5: Solve for x
    x = 45,728,306,169.26/243,506.93
  6. Step 6: Final answer
    x = 187,790.57

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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.