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Finding the Fourth Proportional to 168,024.16, 231,873.36 and 92,572

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Solution

The fourth proportional to 168,024.16, 231,873.36 and 92,572 is: 127,749.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,024.16 : 231,873.36 = 92,572 : x
  2. Step 2: Convert to fraction form
    168,024.16/231,873.36 = 92,572/x
  3. Step 3: Cross multiply
    168,024.16x = 231,873.36 × 92,572
  4. Step 4: Simplify right side
    168,024.16x = 21,464,980,681.92
  5. Step 5: Solve for x
    x = 21,464,980,681.92/168,024.16
  6. Step 6: Final answer
    x = 127,749.37

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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.