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Finding the Fourth Proportional to 173,903.90, 260,839.44 and 55,554.39

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Solution

The fourth proportional to 173,903.90, 260,839.44 and 55,554.39 is: 83,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,903.90 : 260,839.44 = 55,554.39 : x
  2. Step 2: Convert to fraction form
    173,903.90/260,839.44 = 55,554.39/x
  3. Step 3: Cross multiply
    173,903.90x = 260,839.44 × 55,554.39
  4. Step 4: Simplify right side
    173,903.90x = 14,490,775,977.14
  5. Step 5: Solve for x
    x = 14,490,775,977.14/173,903.90
  6. Step 6: Final answer
    x = 83,326.35

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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.