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Finding the Fourth Proportional to 153,835.60, 230,856.60 and 53,995.60

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Solution

The fourth proportional to 153,835.60, 230,856.60 and 53,995.60 is: 81,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,835.60 : 230,856.60 = 53,995.60 : x
  2. Step 2: Convert to fraction form
    153,835.60/230,856.60 = 53,995.60/x
  3. Step 3: Cross multiply
    153,835.60x = 230,856.60 × 53,995.60
  4. Step 4: Simplify right side
    153,835.60x = 12,465,240,630.96
  5. Step 5: Solve for x
    x = 12,465,240,630.96/153,835.60
  6. Step 6: Final answer
    x = 81,029.62

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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.