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Finding the Fourth Proportional to 220,023, 303,632.01 and 119,421

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Solution

The fourth proportional to 220,023, 303,632.01 and 119,421 is: 164,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,023 : 303,632.01 = 119,421 : x
  2. Step 2: Convert to fraction form
    220,023/303,632.01 = 119,421/x
  3. Step 3: Cross multiply
    220,023x = 303,632.01 × 119,421
  4. Step 4: Simplify right side
    220,023x = 36,260,038,266.21
  5. Step 5: Solve for x
    x = 36,260,038,266.21/220,023
  6. Step 6: Final answer
    x = 164,801.13

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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.