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Finding the Fourth Proportional to 190,735.58, 286,103.37 and 101,719.40

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Solution

The fourth proportional to 190,735.58, 286,103.37 and 101,719.40 is: 152,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,735.58 : 286,103.37 = 101,719.40 : x
  2. Step 2: Convert to fraction form
    190,735.58/286,103.37 = 101,719.40/x
  3. Step 3: Cross multiply
    190,735.58x = 286,103.37 × 101,719.40
  4. Step 4: Simplify right side
    190,735.58x = 29,102,263,134.38
  5. Step 5: Solve for x
    x = 29,102,263,134.38/190,735.58
  6. Step 6: Final answer
    x = 152,579.10

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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.