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Finding the Fourth Proportional to 228,175.01, 341,561.87 and 143,538.89

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Solution

The fourth proportional to 228,175.01, 341,561.87 and 143,538.89 is: 214,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,175.01 : 341,561.87 = 143,538.89 : x
  2. Step 2: Convert to fraction form
    228,175.01/341,561.87 = 143,538.89/x
  3. Step 3: Cross multiply
    228,175.01x = 341,561.87 × 143,538.89
  4. Step 4: Simplify right side
    228,175.01x = 49,027,411,618.02
  5. Step 5: Solve for x
    x = 49,027,411,618.02/228,175.01
  6. Step 6: Final answer
    x = 214,867.58

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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.