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Finding the Fourth Proportional to 73,340.48, 109,932 and 48,030.32

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Solution

The fourth proportional to 73,340.48, 109,932 and 48,030.32 is: 71,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,340.48 : 109,932 = 48,030.32 : x
  2. Step 2: Convert to fraction form
    73,340.48/109,932 = 48,030.32/x
  3. Step 3: Cross multiply
    73,340.48x = 109,932 × 48,030.32
  4. Step 4: Simplify right side
    73,340.48x = 5,280,069,138.24
  5. Step 5: Solve for x
    x = 5,280,069,138.24/73,340.48
  6. Step 6: Final answer
    x = 71,993.93

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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.