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Finding the Fourth Proportional to 265,007.32, 397,550.38 and 87,533.08

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Solution

The fourth proportional to 265,007.32, 397,550.38 and 87,533.08 is: 131,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,007.32 : 397,550.38 = 87,533.08 : x
  2. Step 2: Convert to fraction form
    265,007.32/397,550.38 = 87,533.08/x
  3. Step 3: Cross multiply
    265,007.32x = 397,550.38 × 87,533.08
  4. Step 4: Simplify right side
    265,007.32x = 34,798,809,216.57
  5. Step 5: Solve for x
    x = 34,798,809,216.57/265,007.32
  6. Step 6: Final answer
    x = 131,312.63

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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.