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Finding the Fourth Proportional to 178,043.70, 267,065.55 and 53,384.70

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Solution

The fourth proportional to 178,043.70, 267,065.55 and 53,384.70 is: 80,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,043.70 : 267,065.55 = 53,384.70 : x
  2. Step 2: Convert to fraction form
    178,043.70/267,065.55 = 53,384.70/x
  3. Step 3: Cross multiply
    178,043.70x = 267,065.55 × 53,384.70
  4. Step 4: Simplify right side
    178,043.70x = 14,257,214,267.09
  5. Step 5: Solve for x
    x = 14,257,214,267.09/178,043.70
  6. Step 6: Final answer
    x = 80,077.05

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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.