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Finding the Fourth Proportional to 207,803.03, 286,782.98 and 117,167.45

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Solution

The fourth proportional to 207,803.03, 286,782.98 and 117,167.45 is: 161,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,803.03 : 286,782.98 = 117,167.45 : x
  2. Step 2: Convert to fraction form
    207,803.03/286,782.98 = 117,167.45/x
  3. Step 3: Cross multiply
    207,803.03x = 286,782.98 × 117,167.45
  4. Step 4: Simplify right side
    207,803.03x = 33,601,628,450.25
  5. Step 5: Solve for x
    x = 33,601,628,450.25/207,803.03
  6. Step 6: Final answer
    x = 161,699.42

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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.