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Finding the Fourth Proportional to 243,741.88, 365,612.28 and 66,274.66

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Solution

The fourth proportional to 243,741.88, 365,612.28 and 66,274.66 is: 99,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,741.88 : 365,612.28 = 66,274.66 : x
  2. Step 2: Convert to fraction form
    243,741.88/365,612.28 = 66,274.66/x
  3. Step 3: Cross multiply
    243,741.88x = 365,612.28 × 66,274.66
  4. Step 4: Simplify right side
    243,741.88x = 24,230,829,548.82
  5. Step 5: Solve for x
    x = 24,230,829,548.82/243,741.88
  6. Step 6: Final answer
    x = 99,411.84

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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.