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Finding the Fourth Proportional to 114,075.40, 171,020.70 and 47,565.40

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Solution

The fourth proportional to 114,075.40, 171,020.70 and 47,565.40 is: 71,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,075.40 : 171,020.70 = 47,565.40 : x
  2. Step 2: Convert to fraction form
    114,075.40/171,020.70 = 47,565.40/x
  3. Step 3: Cross multiply
    114,075.40x = 171,020.70 × 47,565.40
  4. Step 4: Simplify right side
    114,075.40x = 8,134,668,003.78
  5. Step 5: Solve for x
    x = 8,134,668,003.78/114,075.40
  6. Step 6: Final answer
    x = 71,309.57

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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.