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Finding the Fourth Proportional to 243,591.40, 365,192.70 and 103,234.60

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Solution

The fourth proportional to 243,591.40, 365,192.70 and 103,234.60 is: 154,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,591.40 : 365,192.70 = 103,234.60 : x
  2. Step 2: Convert to fraction form
    243,591.40/365,192.70 = 103,234.60/x
  3. Step 3: Cross multiply
    243,591.40x = 365,192.70 × 103,234.60
  4. Step 4: Simplify right side
    243,591.40x = 37,700,522,307.42
  5. Step 5: Solve for x
    x = 37,700,522,307.42/243,591.40
  6. Step 6: Final answer
    x = 154,769.51

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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.