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Finding the Fourth Proportional to 132,656.94, 183,064.86 and 72,226.89

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Solution

The fourth proportional to 132,656.94, 183,064.86 and 72,226.89 is: 99,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,656.94 : 183,064.86 = 72,226.89 : x
  2. Step 2: Convert to fraction form
    132,656.94/183,064.86 = 72,226.89/x
  3. Step 3: Cross multiply
    132,656.94x = 183,064.86 × 72,226.89
  4. Step 4: Simplify right side
    132,656.94x = 13,222,205,506.09
  5. Step 5: Solve for x
    x = 13,222,205,506.09/132,656.94
  6. Step 6: Final answer
    x = 99,672.17

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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.