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Finding the Fourth Proportional to 132,594.99, 182,985.57 and 72,167.82

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Solution

The fourth proportional to 132,594.99, 182,985.57 and 72,167.82 is: 99,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,594.99 : 182,985.57 = 72,167.82 : x
  2. Step 2: Convert to fraction form
    132,594.99/182,985.57 = 72,167.82/x
  3. Step 3: Cross multiply
    132,594.99x = 182,985.57 × 72,167.82
  4. Step 4: Simplify right side
    132,594.99x = 13,205,669,678.36
  5. Step 5: Solve for x
    x = 13,205,669,678.36/132,594.99
  6. Step 6: Final answer
    x = 99,594.03

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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.