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Finding the Fourth Proportional to 192,483.10, 265,534.41 and 124,521.40

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Solution

The fourth proportional to 192,483.10, 265,534.41 and 124,521.40 is: 171,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,483.10 : 265,534.41 = 124,521.40 : x
  2. Step 2: Convert to fraction form
    192,483.10/265,534.41 = 124,521.40/x
  3. Step 3: Cross multiply
    192,483.10x = 265,534.41 × 124,521.40
  4. Step 4: Simplify right side
    192,483.10x = 33,064,716,481.37
  5. Step 5: Solve for x
    x = 33,064,716,481.37/192,483.10
  6. Step 6: Final answer
    x = 171,779.84

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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.