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Finding the Fourth Proportional to 367,216.61, 550,773.06 and 117,866.21

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Solution

The fourth proportional to 367,216.61, 550,773.06 and 117,866.21 is: 176,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,216.61 : 550,773.06 = 117,866.21 : x
  2. Step 2: Convert to fraction form
    367,216.61/550,773.06 = 117,866.21/x
  3. Step 3: Cross multiply
    367,216.61x = 550,773.06 × 117,866.21
  4. Step 4: Simplify right side
    367,216.61x = 64,917,533,152.30
  5. Step 5: Solve for x
    x = 64,917,533,152.30/367,216.61
  6. Step 6: Final answer
    x = 176,782.67

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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.