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Finding the Fourth Proportional to 178,029.02, 267,189.42 and 72,848.90

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Solution

The fourth proportional to 178,029.02, 267,189.42 and 72,848.90 is: 109,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,029.02 : 267,189.42 = 72,848.90 : x
  2. Step 2: Convert to fraction form
    178,029.02/267,189.42 = 72,848.90/x
  3. Step 3: Cross multiply
    178,029.02x = 267,189.42 × 72,848.90
  4. Step 4: Simplify right side
    178,029.02x = 19,464,455,338.64
  5. Step 5: Solve for x
    x = 19,464,455,338.64/178,029.02
  6. Step 6: Final answer
    x = 109,333.05

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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.