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Finding the Fourth Proportional to 136,209.50, 204,314.26 and 37,713.50

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Solution

The fourth proportional to 136,209.50, 204,314.26 and 37,713.50 is: 56,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,209.50 : 204,314.26 = 37,713.50 : x
  2. Step 2: Convert to fraction form
    136,209.50/204,314.26 = 37,713.50/x
  3. Step 3: Cross multiply
    136,209.50x = 204,314.26 × 37,713.50
  4. Step 4: Simplify right side
    136,209.50x = 7,705,405,844.51
  5. Step 5: Solve for x
    x = 7,705,405,844.51/136,209.50
  6. Step 6: Final answer
    x = 56,570.25

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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.