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Finding the Fourth Proportional to 146,750.40, 220,125.60 and 144,782.10

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Solution

The fourth proportional to 146,750.40, 220,125.60 and 144,782.10 is: 217,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,750.40 : 220,125.60 = 144,782.10 : x
  2. Step 2: Convert to fraction form
    146,750.40/220,125.60 = 144,782.10/x
  3. Step 3: Cross multiply
    146,750.40x = 220,125.60 × 144,782.10
  4. Step 4: Simplify right side
    146,750.40x = 31,870,246,631.76
  5. Step 5: Solve for x
    x = 31,870,246,631.76/146,750.40
  6. Step 6: Final answer
    x = 217,173.15

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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.