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Finding the Fourth Proportional to 114,290.40, 171,435.60 and 35,428.80

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Solution

The fourth proportional to 114,290.40, 171,435.60 and 35,428.80 is: 53,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,290.40 : 171,435.60 = 35,428.80 : x
  2. Step 2: Convert to fraction form
    114,290.40/171,435.60 = 35,428.80/x
  3. Step 3: Cross multiply
    114,290.40x = 171,435.60 × 35,428.80
  4. Step 4: Simplify right side
    114,290.40x = 6,073,757,585.28
  5. Step 5: Solve for x
    x = 6,073,757,585.28/114,290.40
  6. Step 6: Final answer
    x = 53,143.20

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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.