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Finding the Fourth Proportional to 99,998.67, 138,000.34 and 59,704.93

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Solution

The fourth proportional to 99,998.67, 138,000.34 and 59,704.93 is: 82,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,998.67 : 138,000.34 = 59,704.93 : x
  2. Step 2: Convert to fraction form
    99,998.67/138,000.34 = 59,704.93/x
  3. Step 3: Cross multiply
    99,998.67x = 138,000.34 × 59,704.93
  4. Step 4: Simplify right side
    99,998.67x = 8,239,300,639.68
  5. Step 5: Solve for x
    x = 8,239,300,639.68/99,998.67
  6. Step 6: Final answer
    x = 82,394.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.