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Finding the Fourth Proportional to 468,017.40, 702,026.07 and 131,107.93

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Solution

The fourth proportional to 468,017.40, 702,026.07 and 131,107.93 is: 196,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,017.40 : 702,026.07 = 131,107.93 : x
  2. Step 2: Convert to fraction form
    468,017.40/702,026.07 = 131,107.93/x
  3. Step 3: Cross multiply
    468,017.40x = 702,026.07 × 131,107.93
  4. Step 4: Simplify right side
    468,017.40x = 92,041,184,843.74
  5. Step 5: Solve for x
    x = 92,041,184,843.74/468,017.40
  6. Step 6: Final answer
    x = 196,661.89

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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.