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Finding the Fourth Proportional to 188,897.70, 283,346.55 and 186,929.40

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Solution

The fourth proportional to 188,897.70, 283,346.55 and 186,929.40 is: 280,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,897.70 : 283,346.55 = 186,929.40 : x
  2. Step 2: Convert to fraction form
    188,897.70/283,346.55 = 186,929.40/x
  3. Step 3: Cross multiply
    188,897.70x = 283,346.55 × 186,929.40
  4. Step 4: Simplify right side
    188,897.70x = 52,965,800,583.57
  5. Step 5: Solve for x
    x = 52,965,800,583.57/188,897.70
  6. Step 6: Final answer
    x = 280,394.10

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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.