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Finding the Fourth Proportional to 119,762, 179,642.28 and 31,015.28

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Solution

The fourth proportional to 119,762, 179,642.28 and 31,015.28 is: 46,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,762 : 179,642.28 = 31,015.28 : x
  2. Step 2: Convert to fraction form
    119,762/179,642.28 = 31,015.28/x
  3. Step 3: Cross multiply
    119,762x = 179,642.28 × 31,015.28
  4. Step 4: Simplify right side
    119,762x = 5,571,655,614.04
  5. Step 5: Solve for x
    x = 5,571,655,614.04/119,762
  6. Step 6: Final answer
    x = 46,522.73

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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.