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Finding the Fourth Proportional to 220,075, 303,707.18 and 119,473

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Solution

The fourth proportional to 220,075, 303,707.18 and 119,473 is: 164,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,075 : 303,707.18 = 119,473 : x
  2. Step 2: Convert to fraction form
    220,075/303,707.18 = 119,473/x
  3. Step 3: Cross multiply
    220,075x = 303,707.18 × 119,473
  4. Step 4: Simplify right side
    220,075x = 36,284,807,916.14
  5. Step 5: Solve for x
    x = 36,284,807,916.14/220,075
  6. Step 6: Final answer
    x = 164,874.74

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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.