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Finding the Fourth Proportional to 74,468, 111,757.36 and 30,095.16

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Solution

The fourth proportional to 74,468, 111,757.36 and 30,095.16 is: 45,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468 : 111,757.36 = 30,095.16 : x
  2. Step 2: Convert to fraction form
    74,468/111,757.36 = 30,095.16/x
  3. Step 3: Cross multiply
    74,468x = 111,757.36 × 30,095.16
  4. Step 4: Simplify right side
    74,468x = 3,363,355,630.38
  5. Step 5: Solve for x
    x = 3,363,355,630.38/74,468
  6. Step 6: Final answer
    x = 45,165.11

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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.