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Finding the Fourth Proportional to 255,355.94, 383,019.51 and 113,160.26

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Solution

The fourth proportional to 255,355.94, 383,019.51 and 113,160.26 is: 169,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,355.94 : 383,019.51 = 113,160.26 : x
  2. Step 2: Convert to fraction form
    255,355.94/383,019.51 = 113,160.26/x
  3. Step 3: Cross multiply
    255,355.94x = 383,019.51 × 113,160.26
  4. Step 4: Simplify right side
    255,355.94x = 43,342,587,336.67
  5. Step 5: Solve for x
    x = 43,342,587,336.67/255,355.94
  6. Step 6: Final answer
    x = 169,734.01

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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.