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Finding the Fourth Proportional to 501,099.18, 751,568.76 and 146,030.15

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Solution

The fourth proportional to 501,099.18, 751,568.76 and 146,030.15 is: 219,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,099.18 : 751,568.76 = 146,030.15 : x
  2. Step 2: Convert to fraction form
    501,099.18/751,568.76 = 146,030.15/x
  3. Step 3: Cross multiply
    501,099.18x = 751,568.76 × 146,030.15
  4. Step 4: Simplify right side
    501,099.18x = 109,751,695,000.27
  5. Step 5: Solve for x
    x = 109,751,695,000.27/501,099.18
  6. Step 6: Final answer
    x = 219,021.90

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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.