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Finding the Fourth Proportional to 202,227, 279,072.99 and 111,582.93

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Solution

The fourth proportional to 202,227, 279,072.99 and 111,582.93 is: 153,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,227 : 279,072.99 = 111,582.93 : x
  2. Step 2: Convert to fraction form
    202,227/279,072.99 = 111,582.93/x
  3. Step 3: Cross multiply
    202,227x = 279,072.99 × 111,582.93
  4. Step 4: Simplify right side
    202,227x = 31,139,781,908.06
  5. Step 5: Solve for x
    x = 31,139,781,908.06/202,227
  6. Step 6: Final answer
    x = 153,984.29

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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.