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Finding the Fourth Proportional to 102,283.80, 153,584.10 and 55,627.80

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Solution

The fourth proportional to 102,283.80, 153,584.10 and 55,627.80 is: 83,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,283.80 : 153,584.10 = 55,627.80 : x
  2. Step 2: Convert to fraction form
    102,283.80/153,584.10 = 55,627.80/x
  3. Step 3: Cross multiply
    102,283.80x = 153,584.10 × 55,627.80
  4. Step 4: Simplify right side
    102,283.80x = 8,543,545,597.98
  5. Step 5: Solve for x
    x = 8,543,545,597.98/102,283.80
  6. Step 6: Final answer
    x = 83,527.85

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1.5x scale

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.