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Finding the Fourth Proportional to 210,336.56, 290,264.29 and 114,843.25

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Solution

The fourth proportional to 210,336.56, 290,264.29 and 114,843.25 is: 158,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,336.56 : 290,264.29 = 114,843.25 : x
  2. Step 2: Convert to fraction form
    210,336.56/290,264.29 = 114,843.25/x
  3. Step 3: Cross multiply
    210,336.56x = 290,264.29 × 114,843.25
  4. Step 4: Simplify right side
    210,336.56x = 33,334,894,498.26
  5. Step 5: Solve for x
    x = 33,334,894,498.26/210,336.56
  6. Step 6: Final answer
    x = 158,483.60

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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.