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Finding the Fourth Proportional to 243,537.73, 336,085.87 and 136,114.72

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Solution

The fourth proportional to 243,537.73, 336,085.87 and 136,114.72 is: 187,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,537.73 : 336,085.87 = 136,114.72 : x
  2. Step 2: Convert to fraction form
    243,537.73/336,085.87 = 136,114.72/x
  3. Step 3: Cross multiply
    243,537.73x = 336,085.87 × 136,114.72
  4. Step 4: Simplify right side
    243,537.73x = 45,746,234,091.01
  5. Step 5: Solve for x
    x = 45,746,234,091.01/243,537.73
  6. Step 6: Final answer
    x = 187,840.44

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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.