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Finding the Fourth Proportional to 186,993.62, 280,490.43 and 46,752.25

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Solution

The fourth proportional to 186,993.62, 280,490.43 and 46,752.25 is: 70,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,993.62 : 280,490.43 = 46,752.25 : x
  2. Step 2: Convert to fraction form
    186,993.62/280,490.43 = 46,752.25/x
  3. Step 3: Cross multiply
    186,993.62x = 280,490.43 × 46,752.25
  4. Step 4: Simplify right side
    186,993.62x = 13,113,557,069.75
  5. Step 5: Solve for x
    x = 13,113,557,069.75/186,993.62
  6. Step 6: Final answer
    x = 70,128.37

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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.