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Finding the Fourth Proportional to 243,472.16, 365,208.25 and 65,979.17

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Solution

The fourth proportional to 243,472.16, 365,208.25 and 65,979.17 is: 98,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,472.16 : 365,208.25 = 65,979.17 : x
  2. Step 2: Convert to fraction form
    243,472.16/365,208.25 = 65,979.17/x
  3. Step 3: Cross multiply
    243,472.16x = 365,208.25 × 65,979.17
  4. Step 4: Simplify right side
    243,472.16x = 24,096,135,056.22
  5. Step 5: Solve for x
    x = 24,096,135,056.22/243,472.16
  6. Step 6: Final answer
    x = 98,968.75

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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.