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Finding the Fourth Proportional to 107,802.63, 148,767.81 and 60,057.66

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Solution

The fourth proportional to 107,802.63, 148,767.81 and 60,057.66 is: 82,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802.63 : 148,767.81 = 60,057.66 : x
  2. Step 2: Convert to fraction form
    107,802.63/148,767.81 = 60,057.66/x
  3. Step 3: Cross multiply
    107,802.63x = 148,767.81 × 60,057.66
  4. Step 4: Simplify right side
    107,802.63x = 8,934,646,551.92
  5. Step 5: Solve for x
    x = 8,934,646,551.92/107,802.63
  6. Step 6: Final answer
    x = 82,879.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.