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Finding the Fourth Proportional to 73,463.40, 101,395.78 and 48,315.24

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Solution

The fourth proportional to 73,463.40, 101,395.78 and 48,315.24 is: 66,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,463.40 : 101,395.78 = 48,315.24 : x
  2. Step 2: Convert to fraction form
    73,463.40/101,395.78 = 48,315.24/x
  3. Step 3: Cross multiply
    73,463.40x = 101,395.78 × 48,315.24
  4. Step 4: Simplify right side
    73,463.40x = 4,898,961,445.69
  5. Step 5: Solve for x
    x = 4,898,961,445.69/73,463.40
  6. Step 6: Final answer
    x = 66,685.74

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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.