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Finding the Fourth Proportional to 178,458.36, 267,161.60 and 156,314.98

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Solution

The fourth proportional to 178,458.36, 267,161.60 and 156,314.98 is: 234,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,458.36 : 267,161.60 = 156,314.98 : x
  2. Step 2: Convert to fraction form
    178,458.36/267,161.60 = 156,314.98/x
  3. Step 3: Cross multiply
    178,458.36x = 267,161.60 × 156,314.98
  4. Step 4: Simplify right side
    178,458.36x = 41,761,360,885.51
  5. Step 5: Solve for x
    x = 41,761,360,885.51/178,458.36
  6. Step 6: Final answer
    x = 234,011.80

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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.