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Finding the Fourth Proportional to 158,652.05, 237,978.90 and 53,471.93

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Solution

The fourth proportional to 158,652.05, 237,978.90 and 53,471.93 is: 80,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,652.05 : 237,978.90 = 53,471.93 : x
  2. Step 2: Convert to fraction form
    158,652.05/237,978.90 = 53,471.93/x
  3. Step 3: Cross multiply
    158,652.05x = 237,978.90 × 53,471.93
  4. Step 4: Simplify right side
    158,652.05x = 12,725,191,082.28
  5. Step 5: Solve for x
    x = 12,725,191,082.28/158,652.05
  6. Step 6: Final answer
    x = 80,208.17

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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.