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Finding the Fourth Proportional to 116,959.17, 175,437.21 and 28,212.03

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Solution

The fourth proportional to 116,959.17, 175,437.21 and 28,212.03 is: 42,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,959.17 : 175,437.21 = 28,212.03 : x
  2. Step 2: Convert to fraction form
    116,959.17/175,437.21 = 28,212.03/x
  3. Step 3: Cross multiply
    116,959.17x = 175,437.21 × 28,212.03
  4. Step 4: Simplify right side
    116,959.17x = 4,949,439,831.64
  5. Step 5: Solve for x
    x = 4,949,439,831.64/116,959.17
  6. Step 6: Final answer
    x = 42,317.67

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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.