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Finding the Fourth Proportional to 200,248.20, 300,007.80 and 158,403.60

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Solution

The fourth proportional to 200,248.20, 300,007.80 and 158,403.60 is: 237,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,248.20 : 300,007.80 = 158,403.60 : x
  2. Step 2: Convert to fraction form
    200,248.20/300,007.80 = 158,403.60/x
  3. Step 3: Cross multiply
    200,248.20x = 300,007.80 × 158,403.60
  4. Step 4: Simplify right side
    200,248.20x = 47,522,315,548.08
  5. Step 5: Solve for x
    x = 47,522,315,548.08/200,248.20
  6. Step 6: Final answer
    x = 237,317.07

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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.