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Finding the Fourth Proportional to 162,783.60, 244,218.60 and 57,591.60

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Solution

The fourth proportional to 162,783.60, 244,218.60 and 57,591.60 is: 86,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,783.60 : 244,218.60 = 57,591.60 : x
  2. Step 2: Convert to fraction form
    162,783.60/244,218.60 = 57,591.60/x
  3. Step 3: Cross multiply
    162,783.60x = 244,218.60 × 57,591.60
  4. Step 4: Simplify right side
    162,783.60x = 14,064,939,923.76
  5. Step 5: Solve for x
    x = 14,064,939,923.76/162,783.60
  6. Step 6: Final answer
    x = 86,402.68

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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.