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Finding the Fourth Proportional to 132,796.34, 183,258.95 and 72,366.96

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Solution

The fourth proportional to 132,796.34, 183,258.95 and 72,366.96 is: 99,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,796.34 : 183,258.95 = 72,366.96 : x
  2. Step 2: Convert to fraction form
    132,796.34/183,258.95 = 72,366.96/x
  3. Step 3: Cross multiply
    132,796.34x = 183,258.95 × 72,366.96
  4. Step 4: Simplify right side
    132,796.34x = 13,261,892,742.46
  5. Step 5: Solve for x
    x = 13,261,892,742.46/132,796.34
  6. Step 6: Final answer
    x = 99,866.41

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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.