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Finding the Fourth Proportional to 102,604.48, 153,623.28 and 52,576.84

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Solution

The fourth proportional to 102,604.48, 153,623.28 and 52,576.84 is: 78,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,604.48 : 153,623.28 = 52,576.84 : x
  2. Step 2: Convert to fraction form
    102,604.48/153,623.28 = 52,576.84/x
  3. Step 3: Cross multiply
    102,604.48x = 153,623.28 × 52,576.84
  4. Step 4: Simplify right side
    102,604.48x = 8,077,026,612.84
  5. Step 5: Solve for x
    x = 8,077,026,612.84/102,604.48
  6. Step 6: Final answer
    x = 78,720.02

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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.