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Finding the Fourth Proportional to 169,465.80, 233,765.64 and 105,692.88

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Solution

The fourth proportional to 169,465.80, 233,765.64 and 105,692.88 is: 145,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,465.80 : 233,765.64 = 105,692.88 : x
  2. Step 2: Convert to fraction form
    169,465.80/233,765.64 = 105,692.88/x
  3. Step 3: Cross multiply
    169,465.80x = 233,765.64 × 105,692.88
  4. Step 4: Simplify right side
    169,465.80x = 24,707,363,736.64
  5. Step 5: Solve for x
    x = 24,707,363,736.64/169,465.80
  6. Step 6: Final answer
    x = 145,795.57

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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.