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Finding the Fourth Proportional to 186,241.64, 257,014.60 and 101,359.58

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Solution

The fourth proportional to 186,241.64, 257,014.60 and 101,359.58 is: 139,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,241.64 : 257,014.60 = 101,359.58 : x
  2. Step 2: Convert to fraction form
    186,241.64/257,014.60 = 101,359.58/x
  3. Step 3: Cross multiply
    186,241.64x = 257,014.60 × 101,359.58
  4. Step 4: Simplify right side
    186,241.64x = 26,050,890,624.80
  5. Step 5: Solve for x
    x = 26,050,890,624.80/186,241.64
  6. Step 6: Final answer
    x = 139,876.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.