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Finding the Fourth Proportional to 201,291.30, 277,778.88 and 110,645.33

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Solution

The fourth proportional to 201,291.30, 277,778.88 and 110,645.33 is: 152,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,291.30 : 277,778.88 = 110,645.33 : x
  2. Step 2: Convert to fraction form
    201,291.30/277,778.88 = 110,645.33/x
  3. Step 3: Cross multiply
    201,291.30x = 277,778.88 × 110,645.33
  4. Step 4: Simplify right side
    201,291.30x = 30,734,934,455.74
  5. Step 5: Solve for x
    x = 30,734,934,455.74/201,291.30
  6. Step 6: Final answer
    x = 152,688.84

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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.