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Finding the Fourth Proportional to 133,891,572.30, 200,871,572.85 and 43,016,052.30

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Solution

The fourth proportional to 133,891,572.30, 200,871,572.85 and 43,016,052.30 is: 64,535,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,891,572.30 : 200,871,572.85 = 43,016,052.30 : x
  2. Step 2: Convert to fraction form
    133,891,572.30/200,871,572.85 = 43,016,052.30/x
  3. Step 3: Cross multiply
    133,891,572.30x = 200,871,572.85 × 43,016,052.30
  4. Step 4: Simplify right side
    133,891,572.30x = 8,640,702,083,298,859
  5. Step 5: Solve for x
    x = 8,640,702,083,298,859/133,891,572.30
  6. Step 6: Final answer
    x = 64,535,070.69

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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.