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Finding the Fourth Proportional to 198,655.50, 297,786.42 and 93,285.84

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Solution

The fourth proportional to 198,655.50, 297,786.42 and 93,285.84 is: 139,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,655.50 : 297,786.42 = 93,285.84 : x
  2. Step 2: Convert to fraction form
    198,655.50/297,786.42 = 93,285.84/x
  3. Step 3: Cross multiply
    198,655.50x = 297,786.42 × 93,285.84
  4. Step 4: Simplify right side
    198,655.50x = 27,779,256,330.29
  5. Step 5: Solve for x
    x = 27,779,256,330.29/198,655.50
  6. Step 6: Final answer
    x = 139,836.33

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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.