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Finding the Fourth Proportional to 163,992, 245,965.44 and 64,082.88

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Solution

The fourth proportional to 163,992, 245,965.44 and 64,082.88 is: 96,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,992 : 245,965.44 = 64,082.88 : x
  2. Step 2: Convert to fraction form
    163,992/245,965.44 = 64,082.88/x
  3. Step 3: Cross multiply
    163,992x = 245,965.44 × 64,082.88
  4. Step 4: Simplify right side
    163,992x = 15,762,173,775.67
  5. Step 5: Solve for x
    x = 15,762,173,775.67/163,992
  6. Step 6: Final answer
    x = 96,115.50

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1.5x scale

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.