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Finding the Fourth Proportional to 243,522.65, 365,331.82 and 75,014.30

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Solution

The fourth proportional to 243,522.65, 365,331.82 and 75,014.30 is: 112,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,522.65 : 365,331.82 = 75,014.30 : x
  2. Step 2: Convert to fraction form
    243,522.65/365,331.82 = 75,014.30/x
  3. Step 3: Cross multiply
    243,522.65x = 365,331.82 × 75,014.30
  4. Step 4: Simplify right side
    243,522.65x = 27,405,111,611.47
  5. Step 5: Solve for x
    x = 27,405,111,611.47/243,522.65
  6. Step 6: Final answer
    x = 112,536.19

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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.