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Finding the Fourth Proportional to 158,570.15, 237,694.03 and 99,447.03

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Solution

The fourth proportional to 158,570.15, 237,694.03 and 99,447.03 is: 149,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,570.15 : 237,694.03 = 99,447.03 : x
  2. Step 2: Convert to fraction form
    158,570.15/237,694.03 = 99,447.03/x
  3. Step 3: Cross multiply
    158,570.15x = 237,694.03 × 99,447.03
  4. Step 4: Simplify right side
    158,570.15x = 23,637,965,083.61
  5. Step 5: Solve for x
    x = 23,637,965,083.61/158,570.15
  6. Step 6: Final answer
    x = 149,069.45

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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.