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Finding the Fourth Proportional to 73,328.67, 109,905.12 and 37,806.93

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Solution

The fourth proportional to 73,328.67, 109,905.12 and 37,806.93 is: 56,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,328.67 : 109,905.12 = 37,806.93 : x
  2. Step 2: Convert to fraction form
    73,328.67/109,905.12 = 37,806.93/x
  3. Step 3: Cross multiply
    73,328.67x = 109,905.12 × 37,806.93
  4. Step 4: Simplify right side
    73,328.67x = 4,155,175,178.48
  5. Step 5: Solve for x
    x = 4,155,175,178.48/73,328.67
  6. Step 6: Final answer
    x = 56,665.08

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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.