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Finding the Fourth Proportional to 200,549.02, 300,507.09 and 74,015.14

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Solution

The fourth proportional to 200,549.02, 300,507.09 and 74,015.14 is: 110,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,549.02 : 300,507.09 = 74,015.14 : x
  2. Step 2: Convert to fraction form
    200,549.02/300,507.09 = 74,015.14/x
  3. Step 3: Cross multiply
    200,549.02x = 300,507.09 × 74,015.14
  4. Step 4: Simplify right side
    200,549.02x = 22,242,074,337.34
  5. Step 5: Solve for x
    x = 22,242,074,337.34/200,549.02
  6. Step 6: Final answer
    x = 110,905.92

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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.