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Finding the Fourth Proportional to 243,515.84, 365,308.07 and 75,049.79

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Solution

The fourth proportional to 243,515.84, 365,308.07 and 75,049.79 is: 112,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,515.84 : 365,308.07 = 75,049.79 : x
  2. Step 2: Convert to fraction form
    243,515.84/365,308.07 = 75,049.79/x
  3. Step 3: Cross multiply
    243,515.84x = 365,308.07 × 75,049.79
  4. Step 4: Simplify right side
    243,515.84x = 27,416,291,737.02
  5. Step 5: Solve for x
    x = 27,416,291,737.02/243,515.84
  6. Step 6: Final answer
    x = 112,585.25

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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.