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Finding the Fourth Proportional to 175,238.69, 262,858.05 and 55,307.76

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Solution

The fourth proportional to 175,238.69, 262,858.05 and 55,307.76 is: 82,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,238.69 : 262,858.05 = 55,307.76 : x
  2. Step 2: Convert to fraction form
    175,238.69/262,858.05 = 55,307.76/x
  3. Step 3: Cross multiply
    175,238.69x = 262,858.05 × 55,307.76
  4. Step 4: Simplify right side
    175,238.69x = 14,538,089,943.47
  5. Step 5: Solve for x
    x = 14,538,089,943.47/175,238.69
  6. Step 6: Final answer
    x = 82,961.65

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1.5x scale

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.