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Finding the Fourth Proportional to 307,352.16, 460,917.41 and 129,872.93

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Solution

The fourth proportional to 307,352.16, 460,917.41 and 129,872.93 is: 194,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,352.16 : 460,917.41 = 129,872.93 : x
  2. Step 2: Convert to fraction form
    307,352.16/460,917.41 = 129,872.93/x
  3. Step 3: Cross multiply
    307,352.16x = 460,917.41 × 129,872.93
  4. Step 4: Simplify right side
    307,352.16x = 59,860,691,570.76
  5. Step 5: Solve for x
    x = 59,860,691,570.76/307,352.16
  6. Step 6: Final answer
    x = 194,762.55

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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.