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Finding the Fourth Proportional to 146,574.60, 220,056.30 and 117,025.80

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Solution

The fourth proportional to 146,574.60, 220,056.30 and 117,025.80 is: 175,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,574.60 : 220,056.30 = 117,025.80 : x
  2. Step 2: Convert to fraction form
    146,574.60/220,056.30 = 117,025.80/x
  3. Step 3: Cross multiply
    146,574.60x = 220,056.30 × 117,025.80
  4. Step 4: Simplify right side
    146,574.60x = 25,752,264,552.54
  5. Step 5: Solve for x
    x = 25,752,264,552.54/146,574.60
  6. Step 6: Final answer
    x = 175,693.91

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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.