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Finding the Fourth Proportional to 186,753.70, 280,131.58 and 46,512.33

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Solution

The fourth proportional to 186,753.70, 280,131.58 and 46,512.33 is: 69,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,753.70 : 280,131.58 = 46,512.33 : x
  2. Step 2: Convert to fraction form
    186,753.70/280,131.58 = 46,512.33/x
  3. Step 3: Cross multiply
    186,753.70x = 280,131.58 × 46,512.33
  4. Step 4: Simplify right side
    186,753.70x = 13,029,572,492.38
  5. Step 5: Solve for x
    x = 13,029,572,492.38/186,753.70
  6. Step 6: Final answer
    x = 69,768.75

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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.