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Finding the Fourth Proportional to 200,425.48, 276,594.42 and 111,001.48

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Solution

The fourth proportional to 200,425.48, 276,594.42 and 111,001.48 is: 153,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,425.48 : 276,594.42 = 111,001.48 : x
  2. Step 2: Convert to fraction form
    200,425.48/276,594.42 = 111,001.48/x
  3. Step 3: Cross multiply
    200,425.48x = 276,594.42 × 111,001.48
  4. Step 4: Simplify right side
    200,425.48x = 30,702,389,979.74
  5. Step 5: Solve for x
    x = 30,702,389,979.74/200,425.48
  6. Step 6: Final answer
    x = 153,186.06

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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.