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Finding the Fourth Proportional to 202,470.60, 303,705.90 and 146,483.40

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Solution

The fourth proportional to 202,470.60, 303,705.90 and 146,483.40 is: 219,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,470.60 : 303,705.90 = 146,483.40 : x
  2. Step 2: Convert to fraction form
    202,470.60/303,705.90 = 146,483.40/x
  3. Step 3: Cross multiply
    202,470.60x = 303,705.90 × 146,483.40
  4. Step 4: Simplify right side
    202,470.60x = 44,487,872,832.06
  5. Step 5: Solve for x
    x = 44,487,872,832.06/202,470.60
  6. Step 6: Final answer
    x = 219,725.10

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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.