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Finding the Fourth Proportional to 101,576.43, 152,403.53 and 48,981.51

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Solution

The fourth proportional to 101,576.43, 152,403.53 and 48,981.51 is: 73,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,576.43 : 152,403.53 = 48,981.51 : x
  2. Step 2: Convert to fraction form
    101,576.43/152,403.53 = 48,981.51/x
  3. Step 3: Cross multiply
    101,576.43x = 152,403.53 × 48,981.51
  4. Step 4: Simplify right side
    101,576.43x = 7,464,954,783.82
  5. Step 5: Solve for x
    x = 7,464,954,783.82/101,576.43
  6. Step 6: Final answer
    x = 73,491.01

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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.