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Finding the Fourth Proportional to 245,330.80, 367,996.20 and 127,232.80

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Solution

The fourth proportional to 245,330.80, 367,996.20 and 127,232.80 is: 190,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,330.80 : 367,996.20 = 127,232.80 : x
  2. Step 2: Convert to fraction form
    245,330.80/367,996.20 = 127,232.80/x
  3. Step 3: Cross multiply
    245,330.80x = 367,996.20 × 127,232.80
  4. Step 4: Simplify right side
    245,330.80x = 46,821,186,915.36
  5. Step 5: Solve for x
    x = 46,821,186,915.36/245,330.80
  6. Step 6: Final answer
    x = 190,849.20

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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.