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Finding the Fourth Proportional to 170,692.57, 235,446.10 and 103,624.57

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Solution

The fourth proportional to 170,692.57, 235,446.10 and 103,624.57 is: 142,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,692.57 : 235,446.10 = 103,624.57 : x
  2. Step 2: Convert to fraction form
    170,692.57/235,446.10 = 103,624.57/x
  3. Step 3: Cross multiply
    170,692.57x = 235,446.10 × 103,624.57
  4. Step 4: Simplify right side
    170,692.57x = 24,398,000,870.68
  5. Step 5: Solve for x
    x = 24,398,000,870.68/170,692.57
  6. Step 6: Final answer
    x = 142,935.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.