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Finding the Fourth Proportional to 262,577.02, 362,354.44 and 143,345.02

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Solution

The fourth proportional to 262,577.02, 362,354.44 and 143,345.02 is: 197,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,577.02 : 362,354.44 = 143,345.02 : x
  2. Step 2: Convert to fraction form
    262,577.02/362,354.44 = 143,345.02/x
  3. Step 3: Cross multiply
    262,577.02x = 362,354.44 × 143,345.02
  4. Step 4: Simplify right side
    262,577.02x = 51,941,702,278.75
  5. Step 5: Solve for x
    x = 51,941,702,278.75/262,577.02
  6. Step 6: Final answer
    x = 197,815.11

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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.