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Finding the Fourth Proportional to 186,451.86, 279,460.80 and 106,545.84

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Solution

The fourth proportional to 186,451.86, 279,460.80 and 106,545.84 is: 159,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,451.86 : 279,460.80 = 106,545.84 : x
  2. Step 2: Convert to fraction form
    186,451.86/279,460.80 = 106,545.84/x
  3. Step 3: Cross multiply
    186,451.86x = 279,460.80 × 106,545.84
  4. Step 4: Simplify right side
    186,451.86x = 29,775,385,683.07
  5. Step 5: Solve for x
    x = 29,775,385,683.07/186,451.86
  6. Step 6: Final answer
    x = 159,694.76

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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.