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Finding the Fourth Proportional to 168,568.40, 232,764.36 and 112,235.60

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Solution

The fourth proportional to 168,568.40, 232,764.36 and 112,235.60 is: 154,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,568.40 : 232,764.36 = 112,235.60 : x
  2. Step 2: Convert to fraction form
    168,568.40/232,764.36 = 112,235.60/x
  3. Step 3: Cross multiply
    168,568.40x = 232,764.36 × 112,235.60
  4. Step 4: Simplify right side
    168,568.40x = 26,124,447,603.22
  5. Step 5: Solve for x
    x = 26,124,447,603.22/168,568.40
  6. Step 6: Final answer
    x = 154,978.32

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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.