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Finding the Fourth Proportional to 201,758.60, 302,613.60 and 83,417.60

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Solution

The fourth proportional to 201,758.60, 302,613.60 and 83,417.60 is: 125,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,758.60 : 302,613.60 = 83,417.60 : x
  2. Step 2: Convert to fraction form
    201,758.60/302,613.60 = 83,417.60/x
  3. Step 3: Cross multiply
    201,758.60x = 302,613.60 × 83,417.60
  4. Step 4: Simplify right side
    201,758.60x = 25,243,300,239.36
  5. Step 5: Solve for x
    x = 25,243,300,239.36/201,758.60
  6. Step 6: Final answer
    x = 125,116.35

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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.