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Finding the Fourth Proportional to 243,611.10, 365,412.64 and 72,833.22

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Solution

The fourth proportional to 243,611.10, 365,412.64 and 72,833.22 is: 109,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,611.10 : 365,412.64 = 72,833.22 : x
  2. Step 2: Convert to fraction form
    243,611.10/365,412.64 = 72,833.22/x
  3. Step 3: Cross multiply
    243,611.10x = 365,412.64 × 72,833.22
  4. Step 4: Simplify right side
    243,611.10x = 26,614,179,199.90
  5. Step 5: Solve for x
    x = 26,614,179,199.90/243,611.10
  6. Step 6: Final answer
    x = 109,248.63

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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.