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Finding the Fourth Proportional to 178,272.70, 267,409.05 and 152,028.70

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Solution

The fourth proportional to 178,272.70, 267,409.05 and 152,028.70 is: 228,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,272.70 : 267,409.05 = 152,028.70 : x
  2. Step 2: Convert to fraction form
    178,272.70/267,409.05 = 152,028.70/x
  3. Step 3: Cross multiply
    178,272.70x = 267,409.05 × 152,028.70
  4. Step 4: Simplify right side
    178,272.70x = 40,653,850,239.74
  5. Step 5: Solve for x
    x = 40,653,850,239.74/178,272.70
  6. Step 6: Final answer
    x = 228,043.05

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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.