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Finding the Fourth Proportional to 226,293.50, 339,483.95 and 86,041.19

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Solution

The fourth proportional to 226,293.50, 339,483.95 and 86,041.19 is: 129,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,293.50 : 339,483.95 = 86,041.19 : x
  2. Step 2: Convert to fraction form
    226,293.50/339,483.95 = 86,041.19/x
  3. Step 3: Cross multiply
    226,293.50x = 339,483.95 × 86,041.19
  4. Step 4: Simplify right side
    226,293.50x = 29,209,602,613.69
  5. Step 5: Solve for x
    x = 29,209,602,613.69/226,293.50
  6. Step 6: Final answer
    x = 129,078.40

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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.