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Finding the Fourth Proportional to 98,348.86, 147,391.53 and 92,050.30

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Solution

The fourth proportional to 98,348.86, 147,391.53 and 92,050.30 is: 137,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,348.86 : 147,391.53 = 92,050.30 : x
  2. Step 2: Convert to fraction form
    98,348.86/147,391.53 = 92,050.30/x
  3. Step 3: Cross multiply
    98,348.86x = 147,391.53 × 92,050.30
  4. Step 4: Simplify right side
    98,348.86x = 13,567,434,553.96
  5. Step 5: Solve for x
    x = 13,567,434,553.96/98,348.86
  6. Step 6: Final answer
    x = 137,952.13

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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.