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Finding the Fourth Proportional to 173,373.69, 260,110.37 and 72,152.04

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Solution

The fourth proportional to 173,373.69, 260,110.37 and 72,152.04 is: 108,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,373.69 : 260,110.37 = 72,152.04 : x
  2. Step 2: Convert to fraction form
    173,373.69/260,110.37 = 72,152.04/x
  3. Step 3: Cross multiply
    173,373.69x = 260,110.37 × 72,152.04
  4. Step 4: Simplify right side
    173,373.69x = 18,767,494,976.45
  5. Step 5: Solve for x
    x = 18,767,494,976.45/173,373.69
  6. Step 6: Final answer
    x = 108,248.80

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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.