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Finding the Fourth Proportional to 186,758.40, 280,137.60 and 93,230.40

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Solution

The fourth proportional to 186,758.40, 280,137.60 and 93,230.40 is: 139,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,758.40 : 280,137.60 = 93,230.40 : x
  2. Step 2: Convert to fraction form
    186,758.40/280,137.60 = 93,230.40/x
  3. Step 3: Cross multiply
    186,758.40x = 280,137.60 × 93,230.40
  4. Step 4: Simplify right side
    186,758.40x = 26,117,340,503.04
  5. Step 5: Solve for x
    x = 26,117,340,503.04/186,758.40
  6. Step 6: Final answer
    x = 139,845.60

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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.