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Finding the Fourth Proportional to 173,416, 239,314.08 and 93,928

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Solution

The fourth proportional to 173,416, 239,314.08 and 93,928 is: 129,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,416 : 239,314.08 = 93,928 : x
  2. Step 2: Convert to fraction form
    173,416/239,314.08 = 93,928/x
  3. Step 3: Cross multiply
    173,416x = 239,314.08 × 93,928
  4. Step 4: Simplify right side
    173,416x = 22,478,292,906.24
  5. Step 5: Solve for x
    x = 22,478,292,906.24/173,416
  6. Step 6: Final answer
    x = 129,620.64

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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.