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Finding the Fourth Proportional to 171,125.99, 236,059.05 and 99,498.09

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Solution

The fourth proportional to 171,125.99, 236,059.05 and 99,498.09 is: 137,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,125.99 : 236,059.05 = 99,498.09 : x
  2. Step 2: Convert to fraction form
    171,125.99/236,059.05 = 99,498.09/x
  3. Step 3: Cross multiply
    171,125.99x = 236,059.05 × 99,498.09
  4. Step 4: Simplify right side
    171,125.99x = 23,487,424,602.21
  5. Step 5: Solve for x
    x = 23,487,424,602.21/171,125.99
  6. Step 6: Final answer
    x = 137,252.24

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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.