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Finding the Fourth Proportional to 102,568.60, 153,561.30 and 102,568.60

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Solution

The fourth proportional to 102,568.60, 153,561.30 and 102,568.60 is: 153,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,568.60 : 153,561.30 = 102,568.60 : x
  2. Step 2: Convert to fraction form
    102,568.60/153,561.30 = 102,568.60/x
  3. Step 3: Cross multiply
    102,568.60x = 153,561.30 × 102,568.60
  4. Step 4: Simplify right side
    102,568.60x = 15,750,567,555.18
  5. Step 5: Solve for x
    x = 15,750,567,555.18/102,568.60
  6. Step 6: Final answer
    x = 153,561.30

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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.