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Finding the Fourth Proportional to 101,684.98, 152,530.68 and 35,128.90

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Solution

The fourth proportional to 101,684.98, 152,530.68 and 35,128.90 is: 52,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,684.98 : 152,530.68 = 35,128.90 : x
  2. Step 2: Convert to fraction form
    101,684.98/152,530.68 = 35,128.90/x
  3. Step 3: Cross multiply
    101,684.98x = 152,530.68 × 35,128.90
  4. Step 4: Simplify right side
    101,684.98x = 5,358,235,004.65
  5. Step 5: Solve for x
    x = 5,358,235,004.65/101,684.98
  6. Step 6: Final answer
    x = 52,694.46

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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.