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Finding the Fourth Proportional to 186,594.60, 257,499.90 and 101,711.67

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Solution

The fourth proportional to 186,594.60, 257,499.90 and 101,711.67 is: 140,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,594.60 : 257,499.90 = 101,711.67 : x
  2. Step 2: Convert to fraction form
    186,594.60/257,499.90 = 101,711.67/x
  3. Step 3: Cross multiply
    186,594.60x = 257,499.90 × 101,711.67
  4. Step 4: Simplify right side
    186,594.60x = 26,190,744,853.83
  5. Step 5: Solve for x
    x = 26,190,744,853.83/186,594.60
  6. Step 6: Final answer
    x = 140,361.75

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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.