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Finding the Fourth Proportional to 201,379.52, 277,799.04 and 120,768.32

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Solution

The fourth proportional to 201,379.52, 277,799.04 and 120,768.32 is: 166,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,379.52 : 277,799.04 = 120,768.32 : x
  2. Step 2: Convert to fraction form
    201,379.52/277,799.04 = 120,768.32/x
  3. Step 3: Cross multiply
    201,379.52x = 277,799.04 × 120,768.32
  4. Step 4: Simplify right side
    201,379.52x = 33,549,323,358.41
  5. Step 5: Solve for x
    x = 33,549,323,358.41/201,379.52
  6. Step 6: Final answer
    x = 166,597.49

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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.