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Finding the Fourth Proportional to 132,168.64, 182,348.28 and 75,539.92

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Solution

The fourth proportional to 132,168.64, 182,348.28 and 75,539.92 is: 104,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,168.64 : 182,348.28 = 75,539.92 : x
  2. Step 2: Convert to fraction form
    132,168.64/182,348.28 = 75,539.92/x
  3. Step 3: Cross multiply
    132,168.64x = 182,348.28 × 75,539.92
  4. Step 4: Simplify right side
    132,168.64x = 13,774,574,483.34
  5. Step 5: Solve for x
    x = 13,774,574,483.34/132,168.64
  6. Step 6: Final answer
    x = 104,219.69

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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.