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Finding the Fourth Proportional to 116,527, 160,807.44 and 66,226

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Solution

The fourth proportional to 116,527, 160,807.44 and 66,226 is: 91,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,527 : 160,807.44 = 66,226 : x
  2. Step 2: Convert to fraction form
    116,527/160,807.44 = 66,226/x
  3. Step 3: Cross multiply
    116,527x = 160,807.44 × 66,226
  4. Step 4: Simplify right side
    116,527x = 10,649,633,521.44
  5. Step 5: Solve for x
    x = 10,649,633,521.44/116,527
  6. Step 6: Final answer
    x = 91,391.98

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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.