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Finding the Fourth Proportional to 222,307.77, 306,823.50 and 131,714.74

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Solution

The fourth proportional to 222,307.77, 306,823.50 and 131,714.74 is: 181,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,307.77 : 306,823.50 = 131,714.74 : x
  2. Step 2: Convert to fraction form
    222,307.77/306,823.50 = 131,714.74/x
  3. Step 3: Cross multiply
    222,307.77x = 306,823.50 × 131,714.74
  4. Step 4: Simplify right side
    222,307.77x = 40,413,178,020.40
  5. Step 5: Solve for x
    x = 40,413,178,020.40/222,307.77
  6. Step 6: Final answer
    x = 181,789.32

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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.