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Finding the Fourth Proportional to 86,127, 129,191.04 and 23,798.04

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Solution

The fourth proportional to 86,127, 129,191.04 and 23,798.04 is: 35,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,127 : 129,191.04 = 23,798.04 : x
  2. Step 2: Convert to fraction form
    86,127/129,191.04 = 23,798.04/x
  3. Step 3: Cross multiply
    86,127x = 129,191.04 × 23,798.04
  4. Step 4: Simplify right side
    86,127x = 3,074,493,537.56
  5. Step 5: Solve for x
    x = 3,074,493,537.56/86,127
  6. Step 6: Final answer
    x = 35,697.21

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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.