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Finding the Fourth Proportional to 115,967.52, 174,025.19 and 115,018.34

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Solution

The fourth proportional to 115,967.52, 174,025.19 and 115,018.34 is: 172,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,967.52 : 174,025.19 = 115,018.34 : x
  2. Step 2: Convert to fraction form
    115,967.52/174,025.19 = 115,018.34/x
  3. Step 3: Cross multiply
    115,967.52x = 174,025.19 × 115,018.34
  4. Step 4: Simplify right side
    115,967.52x = 20,016,087,889.40
  5. Step 5: Solve for x
    x = 20,016,087,889.40/115,967.52
  6. Step 6: Final answer
    x = 172,600.81

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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.