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Finding the Fourth Proportional to 182,495.60, 273,282.60 and 145,631.60

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Solution

The fourth proportional to 182,495.60, 273,282.60 and 145,631.60 is: 218,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,495.60 : 273,282.60 = 145,631.60 : x
  2. Step 2: Convert to fraction form
    182,495.60/273,282.60 = 145,631.60/x
  3. Step 3: Cross multiply
    182,495.60x = 273,282.60 × 145,631.60
  4. Step 4: Simplify right side
    182,495.60x = 39,798,582,290.16
  5. Step 5: Solve for x
    x = 39,798,582,290.16/182,495.60
  6. Step 6: Final answer
    x = 218,079.68

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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.