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Finding the Fourth Proportional to 245,736.59, 339,221.12 and 165,210.84

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Solution

The fourth proportional to 245,736.59, 339,221.12 and 165,210.84 is: 228,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,736.59 : 339,221.12 = 165,210.84 : x
  2. Step 2: Convert to fraction form
    245,736.59/339,221.12 = 165,210.84/x
  3. Step 3: Cross multiply
    245,736.59x = 339,221.12 × 165,210.84
  4. Step 4: Simplify right side
    245,736.59x = 56,043,005,354.89
  5. Step 5: Solve for x
    x = 56,043,005,354.89/245,736.59
  6. Step 6: Final answer
    x = 228,061.30

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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.