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Finding the Fourth Proportional to 168,868, 233,017.68 and 93,406.24

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Solution

The fourth proportional to 168,868, 233,017.68 and 93,406.24 is: 128,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,868 : 233,017.68 = 93,406.24 : x
  2. Step 2: Convert to fraction form
    168,868/233,017.68 = 93,406.24/x
  3. Step 3: Cross multiply
    168,868x = 233,017.68 × 93,406.24
  4. Step 4: Simplify right side
    168,868x = 21,765,305,342.32
  5. Step 5: Solve for x
    x = 21,765,305,342.32/168,868
  6. Step 6: Final answer
    x = 128,889.46

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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.