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Finding the Fourth Proportional to 356,551.92, 534,492.84 and 119,728.50

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Solution

The fourth proportional to 356,551.92, 534,492.84 and 119,728.50 is: 179,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,551.92 : 534,492.84 = 119,728.50 : x
  2. Step 2: Convert to fraction form
    356,551.92/534,492.84 = 119,728.50/x
  3. Step 3: Cross multiply
    356,551.92x = 534,492.84 × 119,728.50
  4. Step 4: Simplify right side
    356,551.92x = 63,994,025,993.94
  5. Step 5: Solve for x
    x = 63,994,025,993.94/356,551.92
  6. Step 6: Final answer
    x = 179,480.25

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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.