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Finding the Fourth Proportional to 91,179.10, 136,788.87 and 35,019.23

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Solution

The fourth proportional to 91,179.10, 136,788.87 and 35,019.23 is: 52,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,179.10 : 136,788.87 = 35,019.23 : x
  2. Step 2: Convert to fraction form
    91,179.10/136,788.87 = 35,019.23/x
  3. Step 3: Cross multiply
    91,179.10x = 136,788.87 × 35,019.23
  4. Step 4: Simplify right side
    91,179.10x = 4,790,240,347.35
  5. Step 5: Solve for x
    x = 4,790,240,347.35/91,179.10
  6. Step 6: Final answer
    x = 52,536.60

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1.5x scale

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.