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Finding the Fourth Proportional to 188,527.86, 260,170.14 and 102,487.01

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Solution

The fourth proportional to 188,527.86, 260,170.14 and 102,487.01 is: 141,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,527.86 : 260,170.14 = 102,487.01 : x
  2. Step 2: Convert to fraction form
    188,527.86/260,170.14 = 102,487.01/x
  3. Step 3: Cross multiply
    188,527.86x = 260,170.14 × 102,487.01
  4. Step 4: Simplify right side
    188,527.86x = 26,664,060,286.81
  5. Step 5: Solve for x
    x = 26,664,060,286.81/188,527.86
  6. Step 6: Final answer
    x = 141,433.00

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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.