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Finding the Fourth Proportional to 336,860.25, 505,180.90 and 112,160.17

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Solution

The fourth proportional to 336,860.25, 505,180.90 and 112,160.17 is: 168,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,860.25 : 505,180.90 = 112,160.17 : x
  2. Step 2: Convert to fraction form
    336,860.25/505,180.90 = 112,160.17/x
  3. Step 3: Cross multiply
    336,860.25x = 505,180.90 × 112,160.17
  4. Step 4: Simplify right side
    336,860.25x = 56,661,175,624.75
  5. Step 5: Solve for x
    x = 56,661,175,624.75/336,860.25
  6. Step 6: Final answer
    x = 168,203.80

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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.