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Finding the Fourth Proportional to 192,242.72, 265,292.16 and 107,360.96

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Solution

The fourth proportional to 192,242.72, 265,292.16 and 107,360.96 is: 148,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,242.72 : 265,292.16 = 107,360.96 : x
  2. Step 2: Convert to fraction form
    192,242.72/265,292.16 = 107,360.96/x
  3. Step 3: Cross multiply
    192,242.72x = 265,292.16 × 107,360.96
  4. Step 4: Simplify right side
    192,242.72x = 28,482,020,978.07
  5. Step 5: Solve for x
    x = 28,482,020,978.07/192,242.72
  6. Step 6: Final answer
    x = 148,156.56

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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.