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Finding the Fourth Proportional to 198,123.48, 295,624.93 and 186,069.48

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Solution

The fourth proportional to 198,123.48, 295,624.93 and 186,069.48 is: 277,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,123.48 : 295,624.93 = 186,069.48 : x
  2. Step 2: Convert to fraction form
    198,123.48/295,624.93 = 186,069.48/x
  3. Step 3: Cross multiply
    198,123.48x = 295,624.93 × 186,069.48
  4. Step 4: Simplify right side
    198,123.48x = 55,006,777,000.14
  5. Step 5: Solve for x
    x = 55,006,777,000.14/198,123.48
  6. Step 6: Final answer
    x = 277,638.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.