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Finding the Fourth Proportional to 115,595.90, 173,410.05 and 36,701.90

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Solution

The fourth proportional to 115,595.90, 173,410.05 and 36,701.90 is: 55,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,595.90 : 173,410.05 = 36,701.90 : x
  2. Step 2: Convert to fraction form
    115,595.90/173,410.05 = 36,701.90/x
  3. Step 3: Cross multiply
    115,595.90x = 173,410.05 × 36,701.90
  4. Step 4: Simplify right side
    115,595.90x = 6,364,478,314.10
  5. Step 5: Solve for x
    x = 6,364,478,314.10/115,595.90
  6. Step 6: Final answer
    x = 55,057.99

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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.