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Finding the Fourth Proportional to 132,773, 183,228.57 and 76,184.38

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Solution

The fourth proportional to 132,773, 183,228.57 and 76,184.38 is: 105,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,773 : 183,228.57 = 76,184.38 : x
  2. Step 2: Convert to fraction form
    132,773/183,228.57 = 76,184.38/x
  3. Step 3: Cross multiply
    132,773x = 183,228.57 × 76,184.38
  4. Step 4: Simplify right side
    132,773x = 13,959,153,706.67
  5. Step 5: Solve for x
    x = 13,959,153,706.67/132,773
  6. Step 6: Final answer
    x = 105,135.48

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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.