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Finding the Fourth Proportional to 200,212.74, 300,345.53 and 73,941.74

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Solution

The fourth proportional to 200,212.74, 300,345.53 and 73,941.74 is: 110,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,212.74 : 300,345.53 = 73,941.74 : x
  2. Step 2: Convert to fraction form
    200,212.74/300,345.53 = 73,941.74/x
  3. Step 3: Cross multiply
    200,212.74x = 300,345.53 × 73,941.74
  4. Step 4: Simplify right side
    200,212.74x = 22,208,069,587.69
  5. Step 5: Solve for x
    x = 22,208,069,587.69/200,212.74
  6. Step 6: Final answer
    x = 110,922.36

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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.