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Finding the Fourth Proportional to 181,314.90, 271,907.55 and 62,990.10

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Solution

The fourth proportional to 181,314.90, 271,907.55 and 62,990.10 is: 94,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,314.90 : 271,907.55 = 62,990.10 : x
  2. Step 2: Convert to fraction form
    181,314.90/271,907.55 = 62,990.10/x
  3. Step 3: Cross multiply
    181,314.90x = 271,907.55 × 62,990.10
  4. Step 4: Simplify right side
    181,314.90x = 17,127,483,765.26
  5. Step 5: Solve for x
    x = 17,127,483,765.26/181,314.90
  6. Step 6: Final answer
    x = 94,462.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.