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Finding the Fourth Proportional to 157,226.40, 235,839.60 and 133,606.80

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Solution

The fourth proportional to 157,226.40, 235,839.60 and 133,606.80 is: 200,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,226.40 : 235,839.60 = 133,606.80 : x
  2. Step 2: Convert to fraction form
    157,226.40/235,839.60 = 133,606.80/x
  3. Step 3: Cross multiply
    157,226.40x = 235,839.60 × 133,606.80
  4. Step 4: Simplify right side
    157,226.40x = 31,509,774,269.28
  5. Step 5: Solve for x
    x = 31,509,774,269.28/157,226.40
  6. Step 6: Final answer
    x = 200,410.20

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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.