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Finding the Fourth Proportional to 190,793.60, 286,193.04 and 57,674.96

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Solution

The fourth proportional to 190,793.60, 286,193.04 and 57,674.96 is: 86,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,793.60 : 286,193.04 = 57,674.96 : x
  2. Step 2: Convert to fraction form
    190,793.60/286,193.04 = 57,674.96/x
  3. Step 3: Cross multiply
    190,793.60x = 286,193.04 × 57,674.96
  4. Step 4: Simplify right side
    190,793.60x = 16,506,172,134.28
  5. Step 5: Solve for x
    x = 16,506,172,134.28/190,793.60
  6. Step 6: Final answer
    x = 86,513.24

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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.