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Finding the Fourth Proportional to 207,999.33, 287,014.38 and 117,350.00

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Solution

The fourth proportional to 207,999.33, 287,014.38 and 117,350.00 is: 161,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,999.33 : 287,014.38 = 117,350.00 : x
  2. Step 2: Convert to fraction form
    207,999.33/287,014.38 = 117,350.00/x
  3. Step 3: Cross multiply
    207,999.33x = 287,014.38 × 117,350.00
  4. Step 4: Simplify right side
    207,999.33x = 33,681,136,057.93
  5. Step 5: Solve for x
    x = 33,681,136,057.93/207,999.33
  6. Step 6: Final answer
    x = 161,929.06

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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.