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Finding the Fourth Proportional to 158,878.72, 238,352.37 and 53,695.36

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Solution

The fourth proportional to 158,878.72, 238,352.37 and 53,695.36 is: 80,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,878.72 : 238,352.37 = 53,695.36 : x
  2. Step 2: Convert to fraction form
    158,878.72/238,352.37 = 53,695.36/x
  3. Step 3: Cross multiply
    158,878.72x = 238,352.37 × 53,695.36
  4. Step 4: Simplify right side
    158,878.72x = 12,798,416,314.00
  5. Step 5: Solve for x
    x = 12,798,416,314.00/158,878.72
  6. Step 6: Final answer
    x = 80,554.63

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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.