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Finding the Fourth Proportional to 237,075.91, 327,164.57 and 129,645.92

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Solution

The fourth proportional to 237,075.91, 327,164.57 and 129,645.92 is: 178,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,075.91 : 327,164.57 = 129,645.92 : x
  2. Step 2: Convert to fraction form
    237,075.91/327,164.57 = 129,645.92/x
  3. Step 3: Cross multiply
    237,075.91x = 327,164.57 × 129,645.92
  4. Step 4: Simplify right side
    237,075.91x = 42,415,550,484.61
  5. Step 5: Solve for x
    x = 42,415,550,484.61/237,075.91
  6. Step 6: Final answer
    x = 178,911.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.