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Finding the Fourth Proportional to 132,650, 183,178.63 and 84,267.55

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Solution

The fourth proportional to 132,650, 183,178.63 and 84,267.55 is: 116,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,650 : 183,178.63 = 84,267.55 : x
  2. Step 2: Convert to fraction form
    132,650/183,178.63 = 84,267.55/x
  3. Step 3: Cross multiply
    132,650x = 183,178.63 × 84,267.55
  4. Step 4: Simplify right side
    132,650x = 15,436,014,362.46
  5. Step 5: Solve for x
    x = 15,436,014,362.46/132,650
  6. Step 6: Final answer
    x = 116,366.49

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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.