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Finding the Fourth Proportional to 169,211.60, 253,817.40 and 149,528.60

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Solution

The fourth proportional to 169,211.60, 253,817.40 and 149,528.60 is: 224,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,211.60 : 253,817.40 = 149,528.60 : x
  2. Step 2: Convert to fraction form
    169,211.60/253,817.40 = 149,528.60/x
  3. Step 3: Cross multiply
    169,211.60x = 253,817.40 × 149,528.60
  4. Step 4: Simplify right side
    169,211.60x = 37,952,960,477.64
  5. Step 5: Solve for x
    x = 37,952,960,477.64/169,211.60
  6. Step 6: Final answer
    x = 224,292.90

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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.