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Finding the Fourth Proportional to 192,406.51, 265,522.66 and 106,364.12

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Solution

The fourth proportional to 192,406.51, 265,522.66 and 106,364.12 is: 146,783.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,406.51 : 265,522.66 = 106,364.12 : x
  2. Step 2: Convert to fraction form
    192,406.51/265,522.66 = 106,364.12/x
  3. Step 3: Cross multiply
    192,406.51x = 265,522.66 × 106,364.12
  4. Step 4: Simplify right side
    192,406.51x = 28,242,083,971.00
  5. Step 5: Solve for x
    x = 28,242,083,971.00/192,406.51
  6. Step 6: Final answer
    x = 146,783.42

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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.