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Finding the Fourth Proportional to 163,509.48, 225,643.92 and 95,530.32

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Solution

The fourth proportional to 163,509.48, 225,643.92 and 95,530.32 is: 131,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,509.48 : 225,643.92 = 95,530.32 : x
  2. Step 2: Convert to fraction form
    163,509.48/225,643.92 = 95,530.32/x
  3. Step 3: Cross multiply
    163,509.48x = 225,643.92 × 95,530.32
  4. Step 4: Simplify right side
    163,509.48x = 21,555,835,883.65
  5. Step 5: Solve for x
    x = 21,555,835,883.65/163,509.48
  6. Step 6: Final answer
    x = 131,832.33

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1.5x scale

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.