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Finding the Fourth Proportional to 181,518.30, 250,459.29 and 109,904.99

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Solution

The fourth proportional to 181,518.30, 250,459.29 and 109,904.99 is: 151,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,518.30 : 250,459.29 = 109,904.99 : x
  2. Step 2: Convert to fraction form
    181,518.30/250,459.29 = 109,904.99/x
  3. Step 3: Cross multiply
    181,518.30x = 250,459.29 × 109,904.99
  4. Step 4: Simplify right side
    181,518.30x = 27,526,724,510.56
  5. Step 5: Solve for x
    x = 27,526,724,510.56/181,518.30
  6. Step 6: Final answer
    x = 151,647.10

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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.