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Finding the Fourth Proportional to 132,762.76, 183,214.71 and 72,333.39

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Solution

The fourth proportional to 132,762.76, 183,214.71 and 72,333.39 is: 99,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,762.76 : 183,214.71 = 72,333.39 : x
  2. Step 2: Convert to fraction form
    132,762.76/183,214.71 = 72,333.39/x
  3. Step 3: Cross multiply
    132,762.76x = 183,214.71 × 72,333.39
  4. Step 4: Simplify right side
    132,762.76x = 13,252,540,728.64
  5. Step 5: Solve for x
    x = 13,252,540,728.64/132,762.76
  6. Step 6: Final answer
    x = 99,821.22

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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.