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Finding the Fourth Proportional to 147,051.60, 220,404.60 and 62,811.60

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Solution

The fourth proportional to 147,051.60, 220,404.60 and 62,811.60 is: 94,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,051.60 : 220,404.60 = 62,811.60 : x
  2. Step 2: Convert to fraction form
    147,051.60/220,404.60 = 62,811.60/x
  3. Step 3: Cross multiply
    147,051.60x = 220,404.60 × 62,811.60
  4. Step 4: Simplify right side
    147,051.60x = 13,843,965,573.36
  5. Step 5: Solve for x
    x = 13,843,965,573.36/147,051.60
  6. Step 6: Final answer
    x = 94,143.59

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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.