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Finding the Fourth Proportional to 132,754.58, 183,200.60 and 72,325.08

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Solution

The fourth proportional to 132,754.58, 183,200.60 and 72,325.08 is: 99,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,754.58 : 183,200.60 = 72,325.08 : x
  2. Step 2: Convert to fraction form
    132,754.58/183,200.60 = 72,325.08/x
  3. Step 3: Cross multiply
    132,754.58x = 183,200.60 × 72,325.08
  4. Step 4: Simplify right side
    132,754.58x = 13,249,998,051.05
  5. Step 5: Solve for x
    x = 13,249,998,051.05/132,754.58
  6. Step 6: Final answer
    x = 99,808.22

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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.