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Finding the Fourth Proportional to 160,970.87, 241,461.39 and 76,740.23

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Solution

The fourth proportional to 160,970.87, 241,461.39 and 76,740.23 is: 115,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,970.87 : 241,461.39 = 76,740.23 : x
  2. Step 2: Convert to fraction form
    160,970.87/241,461.39 = 76,740.23/x
  3. Step 3: Cross multiply
    160,970.87x = 241,461.39 × 76,740.23
  4. Step 4: Simplify right side
    160,970.87x = 18,529,802,604.72
  5. Step 5: Solve for x
    x = 18,529,802,604.72/160,970.87
  6. Step 6: Final answer
    x = 115,112.77

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1.5x scale

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.