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Finding the Fourth Proportional to 186,223.59, 279,361.64 and 59,821.45

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Solution

The fourth proportional to 186,223.59, 279,361.64 and 59,821.45 is: 89,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,223.59 : 279,361.64 = 59,821.45 : x
  2. Step 2: Convert to fraction form
    186,223.59/279,361.64 = 59,821.45/x
  3. Step 3: Cross multiply
    186,223.59x = 279,361.64 × 59,821.45
  4. Step 4: Simplify right side
    186,223.59x = 16,711,817,830.33
  5. Step 5: Solve for x
    x = 16,711,817,830.33/186,223.59
  6. Step 6: Final answer
    x = 89,740.61

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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.