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Finding the Fourth Proportional to 73,302.96, 109,886.04 and 28,930.08

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Solution

The fourth proportional to 73,302.96, 109,886.04 and 28,930.08 is: 43,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,302.96 : 109,886.04 = 28,930.08 : x
  2. Step 2: Convert to fraction form
    73,302.96/109,886.04 = 28,930.08/x
  3. Step 3: Cross multiply
    73,302.96x = 109,886.04 × 28,930.08
  4. Step 4: Simplify right side
    73,302.96x = 3,179,011,928.08
  5. Step 5: Solve for x
    x = 3,179,011,928.08/73,302.96
  6. Step 6: Final answer
    x = 43,368.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.