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Finding the Fourth Proportional to 78,522.45, 108,352.54 and 46,254.54

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Solution

The fourth proportional to 78,522.45, 108,352.54 and 46,254.54 is: 63,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,522.45 : 108,352.54 = 46,254.54 : x
  2. Step 2: Convert to fraction form
    78,522.45/108,352.54 = 46,254.54/x
  3. Step 3: Cross multiply
    78,522.45x = 108,352.54 × 46,254.54
  4. Step 4: Simplify right side
    78,522.45x = 5,011,796,895.53
  5. Step 5: Solve for x
    x = 5,011,796,895.53/78,522.45
  6. Step 6: Final answer
    x = 63,826.29

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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.