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Finding the Fourth Proportional to 182,437, 273,430.86 and 129,560.20

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Solution

The fourth proportional to 182,437, 273,430.86 and 129,560.20 is: 194,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,437 : 273,430.86 = 129,560.20 : x
  2. Step 2: Convert to fraction form
    182,437/273,430.86 = 129,560.20/x
  3. Step 3: Cross multiply
    182,437x = 273,430.86 × 129,560.20
  4. Step 4: Simplify right side
    182,437x = 35,425,756,907.77
  5. Step 5: Solve for x
    x = 35,425,756,907.77/182,437
  6. Step 6: Final answer
    x = 194,180.77

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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.