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Finding the Fourth Proportional to 192,355.10, 265,482.32 and 130,237.41

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Solution

The fourth proportional to 192,355.10, 265,482.32 and 130,237.41 is: 179,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,355.10 : 265,482.32 = 130,237.41 : x
  2. Step 2: Convert to fraction form
    192,355.10/265,482.32 = 130,237.41/x
  3. Step 3: Cross multiply
    192,355.10x = 265,482.32 × 130,237.41
  4. Step 4: Simplify right side
    192,355.10x = 34,575,729,087.63
  5. Step 5: Solve for x
    x = 34,575,729,087.63/192,355.10
  6. Step 6: Final answer
    x = 179,749.48

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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.