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Finding the Fourth Proportional to 173,909.76, 260,883.72 and 55,553.28

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Solution

The fourth proportional to 173,909.76, 260,883.72 and 55,553.28 is: 83,336.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,909.76 : 260,883.72 = 55,553.28 : x
  2. Step 2: Convert to fraction form
    173,909.76/260,883.72 = 55,553.28/x
  3. Step 3: Cross multiply
    173,909.76x = 260,883.72 × 55,553.28
  4. Step 4: Simplify right side
    173,909.76x = 14,492,946,344.60
  5. Step 5: Solve for x
    x = 14,492,946,344.60/173,909.76
  6. Step 6: Final answer
    x = 83,336.01

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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.