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Finding the Fourth Proportional to 236,063.71, 354,206.12 and 117,744.18

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Solution

The fourth proportional to 236,063.71, 354,206.12 and 117,744.18 is: 176,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,063.71 : 354,206.12 = 117,744.18 : x
  2. Step 2: Convert to fraction form
    236,063.71/354,206.12 = 117,744.18/x
  3. Step 3: Cross multiply
    236,063.71x = 354,206.12 × 117,744.18
  4. Step 4: Simplify right side
    236,063.71x = 41,705,709,150.38
  5. Step 5: Solve for x
    x = 41,705,709,150.38/236,063.71
  6. Step 6: Final answer
    x = 176,671.41

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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.