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Finding the Fourth Proportional to 201,085.30, 301,858.35 and 118,026.10

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Solution

The fourth proportional to 201,085.30, 301,858.35 and 118,026.10 is: 177,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,085.30 : 301,858.35 = 118,026.10 : x
  2. Step 2: Convert to fraction form
    201,085.30/301,858.35 = 118,026.10/x
  3. Step 3: Cross multiply
    201,085.30x = 301,858.35 × 118,026.10
  4. Step 4: Simplify right side
    201,085.30x = 35,627,163,802.94
  5. Step 5: Solve for x
    x = 35,627,163,802.94/201,085.30
  6. Step 6: Final answer
    x = 177,174.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.