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Finding the Fourth Proportional to 220,152, 303,813.54 and 119,550

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Solution

The fourth proportional to 220,152, 303,813.54 and 119,550 is: 164,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,152 : 303,813.54 = 119,550 : x
  2. Step 2: Convert to fraction form
    220,152/303,813.54 = 119,550/x
  3. Step 3: Cross multiply
    220,152x = 303,813.54 × 119,550
  4. Step 4: Simplify right side
    220,152x = 36,320,908,707
  5. Step 5: Solve for x
    x = 36,320,908,707/220,152
  6. Step 6: Final answer
    x = 164,981.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.