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Finding the Fourth Proportional to 265,314.56, 398,110.08 and 117,536

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Solution

The fourth proportional to 265,314.56, 398,110.08 and 117,536 is: 176,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,314.56 : 398,110.08 = 117,536 : x
  2. Step 2: Convert to fraction form
    265,314.56/398,110.08 = 117,536/x
  3. Step 3: Cross multiply
    265,314.56x = 398,110.08 × 117,536
  4. Step 4: Simplify right side
    265,314.56x = 46,792,266,362.88
  5. Step 5: Solve for x
    x = 46,792,266,362.88/265,314.56
  6. Step 6: Final answer
    x = 176,365.24

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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.