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Finding the Fourth Proportional to 104,106, 143,666.28 and 59,393.04

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Solution

The fourth proportional to 104,106, 143,666.28 and 59,393.04 is: 81,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,106 : 143,666.28 = 59,393.04 : x
  2. Step 2: Convert to fraction form
    104,106/143,666.28 = 59,393.04/x
  3. Step 3: Cross multiply
    104,106x = 143,666.28 × 59,393.04
  4. Step 4: Simplify right side
    104,106x = 8,532,777,114.69
  5. Step 5: Solve for x
    x = 8,532,777,114.69/104,106
  6. Step 6: Final answer
    x = 81,962.40

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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.