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Finding the Fourth Proportional to 123,442.99, 185,158.29 and 43,484.92

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Solution

The fourth proportional to 123,442.99, 185,158.29 and 43,484.92 is: 65,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,442.99 : 185,158.29 = 43,484.92 : x
  2. Step 2: Convert to fraction form
    123,442.99/185,158.29 = 43,484.92/x
  3. Step 3: Cross multiply
    123,442.99x = 185,158.29 × 43,484.92
  4. Step 4: Simplify right side
    123,442.99x = 8,051,593,427.99
  5. Step 5: Solve for x
    x = 8,051,593,427.99/123,442.99
  6. Step 6: Final answer
    x = 65,225.20

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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.