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Finding the Fourth Proportional to 173,967.16, 240,070.60 and 102,351.79

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Solution

The fourth proportional to 173,967.16, 240,070.60 and 102,351.79 is: 141,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,967.16 : 240,070.60 = 102,351.79 : x
  2. Step 2: Convert to fraction form
    173,967.16/240,070.60 = 102,351.79/x
  3. Step 3: Cross multiply
    173,967.16x = 240,070.60 × 102,351.79
  4. Step 4: Simplify right side
    173,967.16x = 24,571,655,636.37
  5. Step 5: Solve for x
    x = 24,571,655,636.37/173,967.16
  6. Step 6: Final answer
    x = 141,243.07

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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.