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Finding the Fourth Proportional to 277,479.39, 416,057.55 and 108,802.01

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Solution

The fourth proportional to 277,479.39, 416,057.55 and 108,802.01 is: 163,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,479.39 : 416,057.55 = 108,802.01 : x
  2. Step 2: Convert to fraction form
    277,479.39/416,057.55 = 108,802.01/x
  3. Step 3: Cross multiply
    277,479.39x = 416,057.55 × 108,802.01
  4. Step 4: Simplify right side
    277,479.39x = 45,267,895,635.39
  5. Step 5: Solve for x
    x = 45,267,895,635.39/277,479.39
  6. Step 6: Final answer
    x = 163,139.67

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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.