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Finding the Fourth Proportional to 192,604.94, 265,802.07 and 105,395.90

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Solution

The fourth proportional to 192,604.94, 265,802.07 and 105,395.90 is: 145,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,604.94 : 265,802.07 = 105,395.90 : x
  2. Step 2: Convert to fraction form
    192,604.94/265,802.07 = 105,395.90/x
  3. Step 3: Cross multiply
    192,604.94x = 265,802.07 × 105,395.90
  4. Step 4: Simplify right side
    192,604.94x = 28,014,447,060.50
  5. Step 5: Solve for x
    x = 28,014,447,060.50/192,604.94
  6. Step 6: Final answer
    x = 145,450.31

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1.5x scale

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.