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Finding the Fourth Proportional to 355,166.82, 532,692.72 and 130,472.01

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Solution

The fourth proportional to 355,166.82, 532,692.72 and 130,472.01 is: 195,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,166.82 : 532,692.72 = 130,472.01 : x
  2. Step 2: Convert to fraction form
    355,166.82/532,692.72 = 130,472.01/x
  3. Step 3: Cross multiply
    355,166.82x = 532,692.72 × 130,472.01
  4. Step 4: Simplify right side
    355,166.82x = 69,501,489,890.77
  5. Step 5: Solve for x
    x = 69,501,489,890.77/355,166.82
  6. Step 6: Final answer
    x = 195,686.89

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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.