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Finding the Fourth Proportional to 262,779.88, 362,636.24 and 141,921.20

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Solution

The fourth proportional to 262,779.88, 362,636.24 and 141,921.20 is: 195,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,779.88 : 362,636.24 = 141,921.20 : x
  2. Step 2: Convert to fraction form
    262,779.88/362,636.24 = 141,921.20/x
  3. Step 3: Cross multiply
    262,779.88x = 362,636.24 × 141,921.20
  4. Step 4: Simplify right side
    262,779.88x = 51,465,770,344.29
  5. Step 5: Solve for x
    x = 51,465,770,344.29/262,779.88
  6. Step 6: Final answer
    x = 195,851.26

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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.