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Finding the Fourth Proportional to 133,587.39, 200,402.87 and 63,443.01

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Solution

The fourth proportional to 133,587.39, 200,402.87 and 63,443.01 is: 95,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,587.39 : 200,402.87 = 63,443.01 : x
  2. Step 2: Convert to fraction form
    133,587.39/200,402.87 = 63,443.01/x
  3. Step 3: Cross multiply
    133,587.39x = 200,402.87 × 63,443.01
  4. Step 4: Simplify right side
    133,587.39x = 12,714,160,968.22
  5. Step 5: Solve for x
    x = 12,714,160,968.22/133,587.39
  6. Step 6: Final answer
    x = 95,174.86

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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.