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Finding the Fourth Proportional to 73,999.49, 102,051.15 and 48,496.56

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Solution

The fourth proportional to 73,999.49, 102,051.15 and 48,496.56 is: 66,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,999.49 : 102,051.15 = 48,496.56 : x
  2. Step 2: Convert to fraction form
    73,999.49/102,051.15 = 48,496.56/x
  3. Step 3: Cross multiply
    73,999.49x = 102,051.15 × 48,496.56
  4. Step 4: Simplify right side
    73,999.49x = 4,949,129,345.84
  5. Step 5: Solve for x
    x = 4,949,129,345.84/73,999.49
  6. Step 6: Final answer
    x = 66,880.59

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1.5x scale

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.