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Finding the Fourth Proportional to 162,526.56, 243,770.40 and 73,776.48

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Solution

The fourth proportional to 162,526.56, 243,770.40 and 73,776.48 is: 110,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,526.56 : 243,770.40 = 73,776.48 : x
  2. Step 2: Convert to fraction form
    162,526.56/243,770.40 = 73,776.48/x
  3. Step 3: Cross multiply
    162,526.56x = 243,770.40 × 73,776.48
  4. Step 4: Simplify right side
    162,526.56x = 17,984,522,040.19
  5. Step 5: Solve for x
    x = 17,984,522,040.19/162,526.56
  6. Step 6: Final answer
    x = 110,655.90

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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.