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Finding the Fourth Proportional to 178,303.44, 267,692.72 and 103,477.30

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Solution

The fourth proportional to 178,303.44, 267,692.72 and 103,477.30 is: 155,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,303.44 : 267,692.72 = 103,477.30 : x
  2. Step 2: Convert to fraction form
    178,303.44/267,692.72 = 103,477.30/x
  3. Step 3: Cross multiply
    178,303.44x = 267,692.72 × 103,477.30
  4. Step 4: Simplify right side
    178,303.44x = 27,700,118,708.64
  5. Step 5: Solve for x
    x = 27,700,118,708.64/178,303.44
  6. Step 6: Final answer
    x = 155,353.81

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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.