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Finding the Fourth Proportional to 227,258.44, 340,950.71 and 99,185.91

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Solution

The fourth proportional to 227,258.44, 340,950.71 and 99,185.91 is: 148,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,258.44 : 340,950.71 = 99,185.91 : x
  2. Step 2: Convert to fraction form
    227,258.44/340,950.71 = 99,185.91/x
  3. Step 3: Cross multiply
    227,258.44x = 340,950.71 × 99,185.91
  4. Step 4: Simplify right side
    227,258.44x = 33,817,506,436.50
  5. Step 5: Solve for x
    x = 33,817,506,436.50/227,258.44
  6. Step 6: Final answer
    x = 148,806.38

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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.