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Finding the Fourth Proportional to 183,488, 253,213.90 and 107,059.64

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Solution

The fourth proportional to 183,488, 253,213.90 and 107,059.64 is: 147,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,488 : 253,213.90 = 107,059.64 : x
  2. Step 2: Convert to fraction form
    183,488/253,213.90 = 107,059.64/x
  3. Step 3: Cross multiply
    183,488x = 253,213.90 × 107,059.64
  4. Step 4: Simplify right side
    183,488x = 27,108,988,977.00
  5. Step 5: Solve for x
    x = 27,108,988,977.00/183,488
  6. Step 6: Final answer
    x = 147,742.57

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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.