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Finding the Fourth Proportional to 86,195.70, 129,210.40 and 44,095.62

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Solution

The fourth proportional to 86,195.70, 129,210.40 and 44,095.62 is: 66,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,195.70 : 129,210.40 = 44,095.62 : x
  2. Step 2: Convert to fraction form
    86,195.70/129,210.40 = 44,095.62/x
  3. Step 3: Cross multiply
    86,195.70x = 129,210.40 × 44,095.62
  4. Step 4: Simplify right side
    86,195.70x = 5,697,612,698.45
  5. Step 5: Solve for x
    x = 5,697,612,698.45/86,195.70
  6. Step 6: Final answer
    x = 66,100.89

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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.