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Finding the Fourth Proportional to 202,859.97, 279,980.11 and 118,026.24

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Solution

The fourth proportional to 202,859.97, 279,980.11 and 118,026.24 is: 162,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,859.97 : 279,980.11 = 118,026.24 : x
  2. Step 2: Convert to fraction form
    202,859.97/279,980.11 = 118,026.24/x
  3. Step 3: Cross multiply
    202,859.97x = 279,980.11 × 118,026.24
  4. Step 4: Simplify right side
    202,859.97x = 33,044,999,658.09
  5. Step 5: Solve for x
    x = 33,044,999,658.09/202,859.97
  6. Step 6: Final answer
    x = 162,895.62

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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.