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Finding the Fourth Proportional to 201,365.80, 302,279.10 and 118,306.60

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Solution

The fourth proportional to 201,365.80, 302,279.10 and 118,306.60 is: 177,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,365.80 : 302,279.10 = 118,306.60 : x
  2. Step 2: Convert to fraction form
    201,365.80/302,279.10 = 118,306.60/x
  3. Step 3: Cross multiply
    201,365.80x = 302,279.10 × 118,306.60
  4. Step 4: Simplify right side
    201,365.80x = 35,761,612,572.06
  5. Step 5: Solve for x
    x = 35,761,612,572.06/201,365.80
  6. Step 6: Final answer
    x = 177,595.26

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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.