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Finding the Fourth Proportional to 561,271.67, 841,806.35 and 161,814.30

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Solution

The fourth proportional to 561,271.67, 841,806.35 and 161,814.30 is: 242,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,271.67 : 841,806.35 = 161,814.30 : x
  2. Step 2: Convert to fraction form
    561,271.67/841,806.35 = 161,814.30/x
  3. Step 3: Cross multiply
    561,271.67x = 841,806.35 × 161,814.30
  4. Step 4: Simplify right side
    561,271.67x = 136,216,305,260.81
  5. Step 5: Solve for x
    x = 136,216,305,260.81/561,271.67
  6. Step 6: Final answer
    x = 242,692.29

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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.