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Finding the Fourth Proportional to 186,957.74, 280,471.47 and 60,586.72

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Solution

The fourth proportional to 186,957.74, 280,471.47 and 60,586.72 is: 90,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,957.74 : 280,471.47 = 60,586.72 : x
  2. Step 2: Convert to fraction form
    186,957.74/280,471.47 = 60,586.72/x
  3. Step 3: Cross multiply
    186,957.74x = 280,471.47 × 60,586.72
  4. Step 4: Simplify right side
    186,957.74x = 16,992,845,018.52
  5. Step 5: Solve for x
    x = 16,992,845,018.52/186,957.74
  6. Step 6: Final answer
    x = 90,891.37

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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.