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Finding the Fourth Proportional to 198,273.53, 297,347.32 and 65,122.79

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Solution

The fourth proportional to 198,273.53, 297,347.32 and 65,122.79 is: 97,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,273.53 : 297,347.32 = 65,122.79 : x
  2. Step 2: Convert to fraction form
    198,273.53/297,347.32 = 65,122.79/x
  3. Step 3: Cross multiply
    198,273.53x = 297,347.32 × 65,122.79
  4. Step 4: Simplify right side
    198,273.53x = 19,364,087,077.42
  5. Step 5: Solve for x
    x = 19,364,087,077.42/198,273.53
  6. Step 6: Final answer
    x = 97,663.50

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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.