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Finding the Fourth Proportional to 103,658.56, 155,482.80 and 33,536.32

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Solution

The fourth proportional to 103,658.56, 155,482.80 and 33,536.32 is: 50,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,658.56 : 155,482.80 = 33,536.32 : x
  2. Step 2: Convert to fraction form
    103,658.56/155,482.80 = 33,536.32/x
  3. Step 3: Cross multiply
    103,658.56x = 155,482.80 × 33,536.32
  4. Step 4: Simplify right side
    103,658.56x = 5,214,320,935.30
  5. Step 5: Solve for x
    x = 5,214,320,935.30/103,658.56
  6. Step 6: Final answer
    x = 50,302.85

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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.