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Finding the Fourth Proportional to 227,260, 313,290.88 and 159,065.92

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Solution

The fourth proportional to 227,260, 313,290.88 and 159,065.92 is: 219,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,260 : 313,290.88 = 159,065.92 : x
  2. Step 2: Convert to fraction form
    227,260/313,290.88 = 159,065.92/x
  3. Step 3: Cross multiply
    227,260x = 313,290.88 × 159,065.92
  4. Step 4: Simplify right side
    227,260x = 49,833,902,054.81
  5. Step 5: Solve for x
    x = 49,833,902,054.81/227,260
  6. Step 6: Final answer
    x = 219,281.45

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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.