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Finding the Fourth Proportional to 160,692.40, 240,801.72 and 89,516.98

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Solution

The fourth proportional to 160,692.40, 240,801.72 and 89,516.98 is: 134,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,692.40 : 240,801.72 = 89,516.98 : x
  2. Step 2: Convert to fraction form
    160,692.40/240,801.72 = 89,516.98/x
  3. Step 3: Cross multiply
    160,692.40x = 240,801.72 × 89,516.98
  4. Step 4: Simplify right side
    160,692.40x = 21,555,842,753.21
  5. Step 5: Solve for x
    x = 21,555,842,753.21/160,692.40
  6. Step 6: Final answer
    x = 134,143.51

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1.5x scale

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.