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Finding the Fourth Proportional to 99,998.99, 137,995.93 and 59,165.23

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Solution

The fourth proportional to 99,998.99, 137,995.93 and 59,165.23 is: 81,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,998.99 : 137,995.93 = 59,165.23 : x
  2. Step 2: Convert to fraction form
    99,998.99/137,995.93 = 59,165.23/x
  3. Step 3: Cross multiply
    99,998.99x = 137,995.93 × 59,165.23
  4. Step 4: Simplify right side
    99,998.99x = 8,164,560,937.51
  5. Step 5: Solve for x
    x = 8,164,560,937.51/99,998.99
  6. Step 6: Final answer
    x = 81,646.43

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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.