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Finding the Fourth Proportional to 152,171.40, 227,819.70 and 93,122.40

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Solution

The fourth proportional to 152,171.40, 227,819.70 and 93,122.40 is: 139,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,171.40 : 227,819.70 = 93,122.40 : x
  2. Step 2: Convert to fraction form
    152,171.40/227,819.70 = 93,122.40/x
  3. Step 3: Cross multiply
    152,171.40x = 227,819.70 × 93,122.40
  4. Step 4: Simplify right side
    152,171.40x = 21,215,117,231.28
  5. Step 5: Solve for x
    x = 21,215,117,231.28/152,171.40
  6. Step 6: Final answer
    x = 139,415.93

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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.