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Finding the Fourth Proportional to 202,999.80, 304,062.30 and 168,007.80

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Solution

The fourth proportional to 202,999.80, 304,062.30 and 168,007.80 is: 251,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,999.80 : 304,062.30 = 168,007.80 : x
  2. Step 2: Convert to fraction form
    202,999.80/304,062.30 = 168,007.80/x
  3. Step 3: Cross multiply
    202,999.80x = 304,062.30 × 168,007.80
  4. Step 4: Simplify right side
    202,999.80x = 51,084,838,085.94
  5. Step 5: Solve for x
    x = 51,084,838,085.94/202,999.80
  6. Step 6: Final answer
    x = 251,649.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.