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Finding the Fourth Proportional to 95,428.40, 143,142.60 and 25,314.80

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Solution

The fourth proportional to 95,428.40, 143,142.60 and 25,314.80 is: 37,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,428.40 : 143,142.60 = 25,314.80 : x
  2. Step 2: Convert to fraction form
    95,428.40/143,142.60 = 25,314.80/x
  3. Step 3: Cross multiply
    95,428.40x = 143,142.60 × 25,314.80
  4. Step 4: Simplify right side
    95,428.40x = 3,623,626,290.48
  5. Step 5: Solve for x
    x = 3,623,626,290.48/95,428.40
  6. Step 6: Final answer
    x = 37,972.20

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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.