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Finding the Fourth Proportional to 101,660.64, 152,534.64 and 49,109.52

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Solution

The fourth proportional to 101,660.64, 152,534.64 and 49,109.52 is: 73,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,660.64 : 152,534.64 = 49,109.52 : x
  2. Step 2: Convert to fraction form
    101,660.64/152,534.64 = 49,109.52/x
  3. Step 3: Cross multiply
    101,660.64x = 152,534.64 × 49,109.52
  4. Step 4: Simplify right side
    101,660.64x = 7,490,902,953.77
  5. Step 5: Solve for x
    x = 7,490,902,953.77/101,660.64
  6. Step 6: Final answer
    x = 73,685.38

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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.