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Finding the Fourth Proportional to 201,704.90, 302,557.35 and 127,055.30

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Solution

The fourth proportional to 201,704.90, 302,557.35 and 127,055.30 is: 190,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,704.90 : 302,557.35 = 127,055.30 : x
  2. Step 2: Convert to fraction form
    201,704.90/302,557.35 = 127,055.30/x
  3. Step 3: Cross multiply
    201,704.90x = 302,557.35 × 127,055.30
  4. Step 4: Simplify right side
    201,704.90x = 38,441,514,871.46
  5. Step 5: Solve for x
    x = 38,441,514,871.46/201,704.90
  6. Step 6: Final answer
    x = 190,582.95

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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.