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Finding the Fourth Proportional to 158,908.80, 238,362.48 and 53,800.32

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Solution

The fourth proportional to 158,908.80, 238,362.48 and 53,800.32 is: 80,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,908.80 : 238,362.48 = 53,800.32 : x
  2. Step 2: Convert to fraction form
    158,908.80/238,362.48 = 53,800.32/x
  3. Step 3: Cross multiply
    158,908.80x = 238,362.48 × 53,800.32
  4. Step 4: Simplify right side
    158,908.80x = 12,823,977,699.99
  5. Step 5: Solve for x
    x = 12,823,977,699.99/158,908.80
  6. Step 6: Final answer
    x = 80,700.24

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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.