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Finding the Fourth Proportional to 163,500.45, 228,375.75 and 163,500.45

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Solution

The fourth proportional to 163,500.45, 228,375.75 and 163,500.45 is: 228,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,500.45 : 228,375.75 = 163,500.45 : x
  2. Step 2: Convert to fraction form
    163,500.45/228,375.75 = 163,500.45/x
  3. Step 3: Cross multiply
    163,500.45x = 228,375.75 × 163,500.45
  4. Step 4: Simplify right side
    163,500.45x = 37,339,537,894.09
  5. Step 5: Solve for x
    x = 37,339,537,894.09/163,500.45
  6. Step 6: Final answer
    x = 228,375.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.