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Finding the Fourth Proportional to 112,230.40, 168,369.90 and 33,352.60

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Solution

The fourth proportional to 112,230.40, 168,369.90 and 33,352.60 is: 50,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,230.40 : 168,369.90 = 33,352.60 : x
  2. Step 2: Convert to fraction form
    112,230.40/168,369.90 = 33,352.60/x
  3. Step 3: Cross multiply
    112,230.40x = 168,369.90 × 33,352.60
  4. Step 4: Simplify right side
    112,230.40x = 5,615,573,926.74
  5. Step 5: Solve for x
    x = 5,615,573,926.74/112,230.40
  6. Step 6: Final answer
    x = 50,036.12

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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.