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Finding the Fourth Proportional to 132,341.63, 182,631.44 and 72,725.63

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Solution

The fourth proportional to 132,341.63, 182,631.44 and 72,725.63 is: 100,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,341.63 : 182,631.44 = 72,725.63 : x
  2. Step 2: Convert to fraction form
    132,341.63/182,631.44 = 72,725.63/x
  3. Step 3: Cross multiply
    132,341.63x = 182,631.44 × 72,725.63
  4. Step 4: Simplify right side
    132,341.63x = 13,281,985,800.46
  5. Step 5: Solve for x
    x = 13,281,985,800.46/132,341.63
  6. Step 6: Final answer
    x = 100,361.36

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1.5x scale

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.