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Finding the Fourth Proportional to 230,762.20, 346,143.30 and 130,883.80

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Solution

The fourth proportional to 230,762.20, 346,143.30 and 130,883.80 is: 196,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,762.20 : 346,143.30 = 130,883.80 : x
  2. Step 2: Convert to fraction form
    230,762.20/346,143.30 = 130,883.80/x
  3. Step 3: Cross multiply
    230,762.20x = 346,143.30 × 130,883.80
  4. Step 4: Simplify right side
    230,762.20x = 45,304,550,448.54
  5. Step 5: Solve for x
    x = 45,304,550,448.54/230,762.20
  6. Step 6: Final answer
    x = 196,325.70

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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.