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Finding the Fourth Proportional to 101,153.92, 151,656 and 48,513.28

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Solution

The fourth proportional to 101,153.92, 151,656 and 48,513.28 is: 72,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,153.92 : 151,656 = 48,513.28 : x
  2. Step 2: Convert to fraction form
    101,153.92/151,656 = 48,513.28/x
  3. Step 3: Cross multiply
    101,153.92x = 151,656 × 48,513.28
  4. Step 4: Simplify right side
    101,153.92x = 7,357,329,991.68
  5. Step 5: Solve for x
    x = 7,357,329,991.68/101,153.92
  6. Step 6: Final answer
    x = 72,734.01

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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.