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Finding the Fourth Proportional to 163,464.52, 225,707 and 131,774.88

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Solution

The fourth proportional to 163,464.52, 225,707 and 131,774.88 is: 181,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,464.52 : 225,707 = 131,774.88 : x
  2. Step 2: Convert to fraction form
    163,464.52/225,707 = 131,774.88/x
  3. Step 3: Cross multiply
    163,464.52x = 225,707 × 131,774.88
  4. Step 4: Simplify right side
    163,464.52x = 29,742,512,840.16
  5. Step 5: Solve for x
    x = 29,742,512,840.16/163,464.52
  6. Step 6: Final answer
    x = 181,950.88

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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.