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Finding the Fourth Proportional to 98,207.10, 147,310.65 and 35,901.90

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Solution

The fourth proportional to 98,207.10, 147,310.65 and 35,901.90 is: 53,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,207.10 : 147,310.65 = 35,901.90 : x
  2. Step 2: Convert to fraction form
    98,207.10/147,310.65 = 35,901.90/x
  3. Step 3: Cross multiply
    98,207.10x = 147,310.65 × 35,901.90
  4. Step 4: Simplify right side
    98,207.10x = 5,288,732,225.24
  5. Step 5: Solve for x
    x = 5,288,732,225.24/98,207.10
  6. Step 6: Final answer
    x = 53,852.85

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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.