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Finding the Fourth Proportional to 187,330.70, 280,998.70 and 60,971.62

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Solution

The fourth proportional to 187,330.70, 280,998.70 and 60,971.62 is: 91,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,330.70 : 280,998.70 = 60,971.62 : x
  2. Step 2: Convert to fraction form
    187,330.70/280,998.70 = 60,971.62/x
  3. Step 3: Cross multiply
    187,330.70x = 280,998.70 × 60,971.62
  4. Step 4: Simplify right side
    187,330.70x = 17,132,945,956.89
  5. Step 5: Solve for x
    x = 17,132,945,956.89/187,330.70
  6. Step 6: Final answer
    x = 91,458.29

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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.