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Finding the Fourth Proportional to 84,602.88, 116,739.36 and 52,369.92

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Solution

The fourth proportional to 84,602.88, 116,739.36 and 52,369.92 is: 72,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602.88 : 116,739.36 = 52,369.92 : x
  2. Step 2: Convert to fraction form
    84,602.88/116,739.36 = 52,369.92/x
  3. Step 3: Cross multiply
    84,602.88x = 116,739.36 × 52,369.92
  4. Step 4: Simplify right side
    84,602.88x = 6,113,630,944.05
  5. Step 5: Solve for x
    x = 6,113,630,944.05/84,602.88
  6. Step 6: Final answer
    x = 72,262.68

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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.