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Finding the Fourth Proportional to 141,668.09, 212,451.09 and 46,880.78

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Solution

The fourth proportional to 141,668.09, 212,451.09 and 46,880.78 is: 70,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,668.09 : 212,451.09 = 46,880.78 : x
  2. Step 2: Convert to fraction form
    141,668.09/212,451.09 = 46,880.78/x
  3. Step 3: Cross multiply
    141,668.09x = 212,451.09 × 46,880.78
  4. Step 4: Simplify right side
    141,668.09x = 9,959,871,572.99
  5. Step 5: Solve for x
    x = 9,959,871,572.99/141,668.09
  6. Step 6: Final answer
    x = 70,304.27

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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.