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Finding the Fourth Proportional to 161,800.56, 242,810.10 and 56,620.44

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Solution

The fourth proportional to 161,800.56, 242,810.10 and 56,620.44 is: 84,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,800.56 : 242,810.10 = 56,620.44 : x
  2. Step 2: Convert to fraction form
    161,800.56/242,810.10 = 56,620.44/x
  3. Step 3: Cross multiply
    161,800.56x = 242,810.10 × 56,620.44
  4. Step 4: Simplify right side
    161,800.56x = 13,748,014,698.44
  5. Step 5: Solve for x
    x = 13,748,014,698.44/161,800.56
  6. Step 6: Final answer
    x = 84,968.89

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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.