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Finding the Fourth Proportional to 168,018.76, 231,866.46 and 92,567.08

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Solution

The fourth proportional to 168,018.76, 231,866.46 and 92,567.08 is: 127,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,018.76 : 231,866.46 = 92,567.08 : x
  2. Step 2: Convert to fraction form
    168,018.76/231,866.46 = 92,567.08/x
  3. Step 3: Cross multiply
    168,018.76x = 231,866.46 × 92,567.08
  4. Step 4: Simplify right side
    168,018.76x = 21,463,201,152.14
  5. Step 5: Solve for x
    x = 21,463,201,152.14/168,018.76
  6. Step 6: Final answer
    x = 127,742.89

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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.