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Finding the Fourth Proportional to 132,840.54, 183,317.58 and 72,411.71

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Solution

The fourth proportional to 132,840.54, 183,317.58 and 72,411.71 is: 99,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,840.54 : 183,317.58 = 72,411.71 : x
  2. Step 2: Convert to fraction form
    132,840.54/183,317.58 = 72,411.71/x
  3. Step 3: Cross multiply
    132,840.54x = 183,317.58 × 72,411.71
  4. Step 4: Simplify right side
    132,840.54x = 13,274,338,524.27
  5. Step 5: Solve for x
    x = 13,274,338,524.27/132,840.54
  6. Step 6: Final answer
    x = 99,926.86

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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.