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Finding the Fourth Proportional to 98,000.61, 146,815.94 and 57,899.94

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Solution

The fourth proportional to 98,000.61, 146,815.94 and 57,899.94 is: 86,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,000.61 : 146,815.94 = 57,899.94 : x
  2. Step 2: Convert to fraction form
    98,000.61/146,815.94 = 57,899.94/x
  3. Step 3: Cross multiply
    98,000.61x = 146,815.94 × 57,899.94
  4. Step 4: Simplify right side
    98,000.61x = 8,500,633,827.54
  5. Step 5: Solve for x
    x = 8,500,633,827.54/98,000.61
  6. Step 6: Final answer
    x = 86,740.62

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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.