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Finding the Fourth Proportional to 536,561.70, 804,842.55 and 162,536.10

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Solution

The fourth proportional to 536,561.70, 804,842.55 and 162,536.10 is: 243,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,561.70 : 804,842.55 = 162,536.10 : x
  2. Step 2: Convert to fraction form
    536,561.70/804,842.55 = 162,536.10/x
  3. Step 3: Cross multiply
    536,561.70x = 804,842.55 × 162,536.10
  4. Step 4: Simplify right side
    536,561.70x = 130,815,969,191.06
  5. Step 5: Solve for x
    x = 130,815,969,191.06/536,561.70
  6. Step 6: Final answer
    x = 243,804.15

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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.