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Finding the Fourth Proportional to 104,411, 144,087.36 and 59,699

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Solution

The fourth proportional to 104,411, 144,087.36 and 59,699 is: 82,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,411 : 144,087.36 = 59,699 : x
  2. Step 2: Convert to fraction form
    104,411/144,087.36 = 59,699/x
  3. Step 3: Cross multiply
    104,411x = 144,087.36 × 59,699
  4. Step 4: Simplify right side
    104,411x = 8,601,871,304.64
  5. Step 5: Solve for x
    x = 8,601,871,304.64/104,411
  6. Step 6: Final answer
    x = 82,384.72

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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.