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Finding the Fourth Proportional to 188,267.60, 282,401.40 and 141,028.40

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Solution

The fourth proportional to 188,267.60, 282,401.40 and 141,028.40 is: 211,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,267.60 : 282,401.40 = 141,028.40 : x
  2. Step 2: Convert to fraction form
    188,267.60/282,401.40 = 141,028.40/x
  3. Step 3: Cross multiply
    188,267.60x = 282,401.40 × 141,028.40
  4. Step 4: Simplify right side
    188,267.60x = 39,826,617,599.76
  5. Step 5: Solve for x
    x = 39,826,617,599.76/188,267.60
  6. Step 6: Final answer
    x = 211,542.60

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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.