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Finding the Fourth Proportional to 114,527.20, 171,790.80 and 51,347.20

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Solution

The fourth proportional to 114,527.20, 171,790.80 and 51,347.20 is: 77,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,527.20 : 171,790.80 = 51,347.20 : x
  2. Step 2: Convert to fraction form
    114,527.20/171,790.80 = 51,347.20/x
  3. Step 3: Cross multiply
    114,527.20x = 171,790.80 × 51,347.20
  4. Step 4: Simplify right side
    114,527.20x = 8,820,976,565.76
  5. Step 5: Solve for x
    x = 8,820,976,565.76/114,527.20
  6. Step 6: Final answer
    x = 77,020.80

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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.