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Finding the Fourth Proportional to 101,953.36, 153,008.66 and 51,404.04

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Solution

The fourth proportional to 101,953.36, 153,008.66 and 51,404.04 is: 77,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,953.36 : 153,008.66 = 51,404.04 : x
  2. Step 2: Convert to fraction form
    101,953.36/153,008.66 = 51,404.04/x
  3. Step 3: Cross multiply
    101,953.36x = 153,008.66 × 51,404.04
  4. Step 4: Simplify right side
    101,953.36x = 7,865,263,278.99
  5. Step 5: Solve for x
    x = 7,865,263,278.99/101,953.36
  6. Step 6: Final answer
    x = 77,145.70

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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.