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Finding the Fourth Proportional to 202,572.40, 303,858.60 and 146,585.20

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Solution

The fourth proportional to 202,572.40, 303,858.60 and 146,585.20 is: 219,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,572.40 : 303,858.60 = 146,585.20 : x
  2. Step 2: Convert to fraction form
    202,572.40/303,858.60 = 146,585.20/x
  3. Step 3: Cross multiply
    202,572.40x = 303,858.60 × 146,585.20
  4. Step 4: Simplify right side
    202,572.40x = 44,541,173,652.72
  5. Step 5: Solve for x
    x = 44,541,173,652.72/202,572.40
  6. Step 6: Final answer
    x = 219,877.80

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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.