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Finding the Fourth Proportional to 210,393.68, 290,344.32 and 114,900.37

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Solution

The fourth proportional to 210,393.68, 290,344.32 and 114,900.37 is: 158,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,393.68 : 290,344.32 = 114,900.37 : x
  2. Step 2: Convert to fraction form
    210,393.68/290,344.32 = 114,900.37/x
  3. Step 3: Cross multiply
    210,393.68x = 290,344.32 × 114,900.37
  4. Step 4: Simplify right side
    210,393.68x = 33,360,669,069.54
  5. Step 5: Solve for x
    x = 33,360,669,069.54/210,393.68
  6. Step 6: Final answer
    x = 158,563.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.