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Finding the Fourth Proportional to 201,078.48, 301,668.48 and 94,442.76

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Solution

The fourth proportional to 201,078.48, 301,668.48 and 94,442.76 is: 141,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,078.48 : 301,668.48 = 94,442.76 : x
  2. Step 2: Convert to fraction form
    201,078.48/301,668.48 = 94,442.76/x
  3. Step 3: Cross multiply
    201,078.48x = 301,668.48 × 94,442.76
  4. Step 4: Simplify right side
    201,078.48x = 28,490,403,856.20
  5. Step 5: Solve for x
    x = 28,490,403,856.20/201,078.48
  6. Step 6: Final answer
    x = 141,687.98

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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.