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Finding the Fourth Proportional to 123,029.10, 184,543.65 and 107,477.10

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Solution

The fourth proportional to 123,029.10, 184,543.65 and 107,477.10 is: 161,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,029.10 : 184,543.65 = 107,477.10 : x
  2. Step 2: Convert to fraction form
    123,029.10/184,543.65 = 107,477.10/x
  3. Step 3: Cross multiply
    123,029.10x = 184,543.65 × 107,477.10
  4. Step 4: Simplify right side
    123,029.10x = 19,834,216,325.42
  5. Step 5: Solve for x
    x = 19,834,216,325.42/123,029.10
  6. Step 6: Final answer
    x = 161,215.65

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