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Finding the Fourth Proportional to 255,339.83, 383,096.01 and 113,165.66

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Solution

The fourth proportional to 255,339.83, 383,096.01 and 113,165.66 is: 169,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,339.83 : 383,096.01 = 113,165.66 : x
  2. Step 2: Convert to fraction form
    255,339.83/383,096.01 = 113,165.66/x
  3. Step 3: Cross multiply
    255,339.83x = 383,096.01 × 113,165.66
  4. Step 4: Simplify right side
    255,339.83x = 43,353,312,815.02
  5. Step 5: Solve for x
    x = 43,353,312,815.02/255,339.83
  6. Step 6: Final answer
    x = 169,786.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.