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Finding the Fourth Proportional to 501,130.87, 751,806.87 and 146,172.67

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Solution

The fourth proportional to 501,130.87, 751,806.87 and 146,172.67 is: 219,291.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,130.87 : 751,806.87 = 146,172.67 : x
  2. Step 2: Convert to fraction form
    501,130.87/751,806.87 = 146,172.67/x
  3. Step 3: Cross multiply
    501,130.87x = 751,806.87 × 146,172.67
  4. Step 4: Simplify right side
    501,130.87x = 109,893,617,512.24
  5. Step 5: Solve for x
    x = 109,893,617,512.24/501,130.87
  6. Step 6: Final answer
    x = 219,291.26

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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.