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Finding the Fourth Proportional to 149,052.40, 223,405.80 and 60,247.60

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Solution

The fourth proportional to 149,052.40, 223,405.80 and 60,247.60 is: 90,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,052.40 : 223,405.80 = 60,247.60 : x
  2. Step 2: Convert to fraction form
    149,052.40/223,405.80 = 60,247.60/x
  3. Step 3: Cross multiply
    149,052.40x = 223,405.80 × 60,247.60
  4. Step 4: Simplify right side
    149,052.40x = 13,459,663,276.08
  5. Step 5: Solve for x
    x = 13,459,663,276.08/149,052.40
  6. Step 6: Final answer
    x = 90,301.55

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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.