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Finding the Fourth Proportional to 155,424.56, 232,828.17 and 119,762.15

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Solution

The fourth proportional to 155,424.56, 232,828.17 and 119,762.15 is: 179,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,424.56 : 232,828.17 = 119,762.15 : x
  2. Step 2: Convert to fraction form
    155,424.56/232,828.17 = 119,762.15/x
  3. Step 3: Cross multiply
    155,424.56x = 232,828.17 × 119,762.15
  4. Step 4: Simplify right side
    155,424.56x = 27,884,002,219.77
  5. Step 5: Solve for x
    x = 27,884,002,219.77/155,424.56
  6. Step 6: Final answer
    x = 179,405.38

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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.