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Finding the Fourth Proportional to 210,375.39, 290,316.56 and 114,882.08

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Solution

The fourth proportional to 210,375.39, 290,316.56 and 114,882.08 is: 158,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,375.39 : 290,316.56 = 114,882.08 : x
  2. Step 2: Convert to fraction form
    210,375.39/290,316.56 = 114,882.08/x
  3. Step 3: Cross multiply
    210,375.39x = 290,316.56 × 114,882.08
  4. Step 4: Simplify right side
    210,375.39x = 33,352,171,830.04
  5. Step 5: Solve for x
    x = 33,352,171,830.04/210,375.39
  6. Step 6: Final answer
    x = 158,536.47

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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.