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Finding the Fourth Proportional to 162,786.40, 244,208.40 and 57,666.40

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Solution

The fourth proportional to 162,786.40, 244,208.40 and 57,666.40 is: 86,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,786.40 : 244,208.40 = 57,666.40 : x
  2. Step 2: Convert to fraction form
    162,786.40/244,208.40 = 57,666.40/x
  3. Step 3: Cross multiply
    162,786.40x = 244,208.40 × 57,666.40
  4. Step 4: Simplify right side
    162,786.40x = 14,082,619,277.76
  5. Step 5: Solve for x
    x = 14,082,619,277.76/162,786.40
  6. Step 6: Final answer
    x = 86,509.80

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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.