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Finding the Fourth Proportional to 243,350.70, 365,026.05 and 65,885.10

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Solution

The fourth proportional to 243,350.70, 365,026.05 and 65,885.10 is: 98,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,350.70 : 365,026.05 = 65,885.10 : x
  2. Step 2: Convert to fraction form
    243,350.70/365,026.05 = 65,885.10/x
  3. Step 3: Cross multiply
    243,350.70x = 365,026.05 × 65,885.10
  4. Step 4: Simplify right side
    243,350.70x = 24,049,777,806.86
  5. Step 5: Solve for x
    x = 24,049,777,806.86/243,350.70
  6. Step 6: Final answer
    x = 98,827.65

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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.