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Finding the Fourth Proportional to 219,943.90, 303,526.11 and 119,341.90

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Solution

The fourth proportional to 219,943.90, 303,526.11 and 119,341.90 is: 164,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,943.90 : 303,526.11 = 119,341.90 : x
  2. Step 2: Convert to fraction form
    219,943.90/303,526.11 = 119,341.90/x
  3. Step 3: Cross multiply
    219,943.90x = 303,526.11 × 119,341.90
  4. Step 4: Simplify right side
    219,943.90x = 36,223,382,667.01
  5. Step 5: Solve for x
    x = 36,223,382,667.01/219,943.90
  6. Step 6: Final answer
    x = 164,693.74

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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.