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Finding the Fourth Proportional to 101,755.76, 152,633.46 and 39,426.08

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Solution

The fourth proportional to 101,755.76, 152,633.46 and 39,426.08 is: 59,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,755.76 : 152,633.46 = 39,426.08 : x
  2. Step 2: Convert to fraction form
    101,755.76/152,633.46 = 39,426.08/x
  3. Step 3: Cross multiply
    101,755.76x = 152,633.46 × 39,426.08
  4. Step 4: Simplify right side
    101,755.76x = 6,017,739,004.64
  5. Step 5: Solve for x
    x = 6,017,739,004.64/101,755.76
  6. Step 6: Final answer
    x = 59,139.05

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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.