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Finding the Fourth Proportional to 210,244.71, 290,135.61 and 114,750.57

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Solution

The fourth proportional to 210,244.71, 290,135.61 and 114,750.57 is: 158,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,244.71 : 290,135.61 = 114,750.57 : x
  2. Step 2: Convert to fraction form
    210,244.71/290,135.61 = 114,750.57/x
  3. Step 3: Cross multiply
    210,244.71x = 290,135.61 × 114,750.57
  4. Step 4: Simplify right side
    210,244.71x = 33,293,226,624.80
  5. Step 5: Solve for x
    x = 33,293,226,624.80/210,244.71
  6. Step 6: Final answer
    x = 158,354.65

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