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Finding the Fourth Proportional to 227,777.80, 341,666.70 and 61,565.80

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Solution

The fourth proportional to 227,777.80, 341,666.70 and 61,565.80 is: 92,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,777.80 : 341,666.70 = 61,565.80 : x
  2. Step 2: Convert to fraction form
    227,777.80/341,666.70 = 61,565.80/x
  3. Step 3: Cross multiply
    227,777.80x = 341,666.70 × 61,565.80
  4. Step 4: Simplify right side
    227,777.80x = 21,034,983,718.86
  5. Step 5: Solve for x
    x = 21,034,983,718.86/227,777.80
  6. Step 6: Final answer
    x = 92,348.70

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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.