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Finding the Fourth Proportional to 132,851.84, 183,328.76 and 75,483.68

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Solution

The fourth proportional to 132,851.84, 183,328.76 and 75,483.68 is: 104,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,851.84 : 183,328.76 = 75,483.68 : x
  2. Step 2: Convert to fraction form
    132,851.84/183,328.76 = 75,483.68/x
  3. Step 3: Cross multiply
    132,851.84x = 183,328.76 × 75,483.68
  4. Step 4: Simplify right side
    132,851.84x = 13,838,329,454.64
  5. Step 5: Solve for x
    x = 13,838,329,454.64/132,851.84
  6. Step 6: Final answer
    x = 104,163.63

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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.