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Finding the Fourth Proportional to 173,154.17, 259,813.52 and 119,928.06

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Solution

The fourth proportional to 173,154.17, 259,813.52 and 119,928.06 is: 179,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,154.17 : 259,813.52 = 119,928.06 : x
  2. Step 2: Convert to fraction form
    173,154.17/259,813.52 = 119,928.06/x
  3. Step 3: Cross multiply
    173,154.17x = 259,813.52 × 119,928.06
  4. Step 4: Simplify right side
    173,154.17x = 31,158,931,415.37
  5. Step 5: Solve for x
    x = 31,158,931,415.37/173,154.17
  6. Step 6: Final answer
    x = 179,949.07

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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.