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Finding the Fourth Proportional to 104,177.71, 143,756.71 and 58,859.63

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Solution

The fourth proportional to 104,177.71, 143,756.71 and 58,859.63 is: 81,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,177.71 : 143,756.71 = 58,859.63 : x
  2. Step 2: Convert to fraction form
    104,177.71/143,756.71 = 58,859.63/x
  3. Step 3: Cross multiply
    104,177.71x = 143,756.71 × 58,859.63
  4. Step 4: Simplify right side
    104,177.71x = 8,461,465,894.68
  5. Step 5: Solve for x
    x = 8,461,465,894.68/104,177.71
  6. Step 6: Final answer
    x = 81,221.46

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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.