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Finding the Fourth Proportional to 202,995.01, 280,133.70 and 112,357.27

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Solution

The fourth proportional to 202,995.01, 280,133.70 and 112,357.27 is: 155,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,995.01 : 280,133.70 = 112,357.27 : x
  2. Step 2: Convert to fraction form
    202,995.01/280,133.70 = 112,357.27/x
  3. Step 3: Cross multiply
    202,995.01x = 280,133.70 × 112,357.27
  4. Step 4: Simplify right side
    202,995.01x = 31,475,057,767.00
  5. Step 5: Solve for x
    x = 31,475,057,767.00/202,995.01
  6. Step 6: Final answer
    x = 155,053.36

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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.