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Finding the Fourth Proportional to 168,692.20, 253,038.30 and 164,804.20

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Solution

The fourth proportional to 168,692.20, 253,038.30 and 164,804.20 is: 247,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,692.20 : 253,038.30 = 164,804.20 : x
  2. Step 2: Convert to fraction form
    168,692.20/253,038.30 = 164,804.20/x
  3. Step 3: Cross multiply
    168,692.20x = 253,038.30 × 164,804.20
  4. Step 4: Simplify right side
    168,692.20x = 41,701,774,600.86
  5. Step 5: Solve for x
    x = 41,701,774,600.86/168,692.20
  6. Step 6: Final answer
    x = 247,206.30

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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.