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Finding the Fourth Proportional to 200,316.47, 300,514.81 and 73,957.49

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Solution

The fourth proportional to 200,316.47, 300,514.81 and 73,957.49 is: 110,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,316.47 : 300,514.81 = 73,957.49 : x
  2. Step 2: Convert to fraction form
    200,316.47/300,514.81 = 73,957.49/x
  3. Step 3: Cross multiply
    200,316.47x = 300,514.81 × 73,957.49
  4. Step 4: Simplify right side
    200,316.47x = 22,225,319,367.96
  5. Step 5: Solve for x
    x = 22,225,319,367.96/200,316.47
  6. Step 6: Final answer
    x = 110,951.03

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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.