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Finding the Fourth Proportional to 560,769.21, 841,027.95 and 161,320.95

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Solution

The fourth proportional to 560,769.21, 841,027.95 and 161,320.95 is: 241,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,769.21 : 841,027.95 = 161,320.95 : x
  2. Step 2: Convert to fraction form
    560,769.21/841,027.95 = 161,320.95/x
  3. Step 3: Cross multiply
    560,769.21x = 841,027.95 × 161,320.95
  4. Step 4: Simplify right side
    560,769.21x = 135,675,427,870.55
  5. Step 5: Solve for x
    x = 135,675,427,870.55/560,769.21
  6. Step 6: Final answer
    x = 241,945.22

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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.