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Finding the Fourth Proportional to 115,970.46, 160,017.75 and 68,233.02

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Solution

The fourth proportional to 115,970.46, 160,017.75 and 68,233.02 is: 94,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,970.46 : 160,017.75 = 68,233.02 : x
  2. Step 2: Convert to fraction form
    115,970.46/160,017.75 = 68,233.02/x
  3. Step 3: Cross multiply
    115,970.46x = 160,017.75 × 68,233.02
  4. Step 4: Simplify right side
    115,970.46x = 10,918,494,336.11
  5. Step 5: Solve for x
    x = 10,918,494,336.11/115,970.46
  6. Step 6: Final answer
    x = 94,148.93

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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.