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Finding the Fourth Proportional to 301,123.13, 451,859.65 and 134,911.13

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Solution

The fourth proportional to 301,123.13, 451,859.65 and 134,911.13 is: 202,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,123.13 : 451,859.65 = 134,911.13 : x
  2. Step 2: Convert to fraction form
    301,123.13/451,859.65 = 134,911.13/x
  3. Step 3: Cross multiply
    301,123.13x = 451,859.65 × 134,911.13
  4. Step 4: Simplify right side
    301,123.13x = 60,960,893,386.33
  5. Step 5: Solve for x
    x = 60,960,893,386.33/301,123.13
  6. Step 6: Final answer
    x = 202,445.07

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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.