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Finding the Fourth Proportional to 168,475, 232,525.20 and 100,496.20

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Solution

The fourth proportional to 168,475, 232,525.20 and 100,496.20 is: 138,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,475 : 232,525.20 = 100,496.20 : x
  2. Step 2: Convert to fraction form
    168,475/232,525.20 = 100,496.20/x
  3. Step 3: Cross multiply
    168,475x = 232,525.20 × 100,496.20
  4. Step 4: Simplify right side
    168,475x = 23,367,899,004.24
  5. Step 5: Solve for x
    x = 23,367,899,004.24/168,475
  6. Step 6: Final answer
    x = 138,702.47

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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.