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Finding the Fourth Proportional to 201,798.70, 302,114.85 and 123,066.70

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Solution

The fourth proportional to 201,798.70, 302,114.85 and 123,066.70 is: 184,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,798.70 : 302,114.85 = 123,066.70 : x
  2. Step 2: Convert to fraction form
    201,798.70/302,114.85 = 123,066.70/x
  3. Step 3: Cross multiply
    201,798.70x = 302,114.85 × 123,066.70
  4. Step 4: Simplify right side
    201,798.70x = 37,180,277,610.50
  5. Step 5: Solve for x
    x = 37,180,277,610.50/201,798.70
  6. Step 6: Final answer
    x = 184,244.39

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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.