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Finding the Fourth Proportional to 243,733.17, 365,599.80 and 66,266.40

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Solution

The fourth proportional to 243,733.17, 365,599.80 and 66,266.40 is: 99,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,733.17 : 365,599.80 = 66,266.40 : x
  2. Step 2: Convert to fraction form
    243,733.17/365,599.80 = 66,266.40/x
  3. Step 3: Cross multiply
    243,733.17x = 365,599.80 × 66,266.40
  4. Step 4: Simplify right side
    243,733.17x = 24,226,982,586.72
  5. Step 5: Solve for x
    x = 24,226,982,586.72/243,733.17
  6. Step 6: Final answer
    x = 99,399.61

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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.