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Finding the Fourth Proportional to 207,702.02, 311,608.82 and 65,552.79

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Solution

The fourth proportional to 207,702.02, 311,608.82 and 65,552.79 is: 98,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,702.02 : 311,608.82 = 65,552.79 : x
  2. Step 2: Convert to fraction form
    207,702.02/311,608.82 = 65,552.79/x
  3. Step 3: Cross multiply
    207,702.02x = 311,608.82 × 65,552.79
  4. Step 4: Simplify right side
    207,702.02x = 20,426,827,211.84
  5. Step 5: Solve for x
    x = 20,426,827,211.84/207,702.02
  6. Step 6: Final answer
    x = 98,346.79

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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.