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Finding the Fourth Proportional to 183,478.40, 275,839.68 and 146,510.72

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Solution

The fourth proportional to 183,478.40, 275,839.68 and 146,510.72 is: 220,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,478.40 : 275,839.68 = 146,510.72 : x
  2. Step 2: Convert to fraction form
    183,478.40/275,839.68 = 146,510.72/x
  3. Step 3: Cross multiply
    183,478.40x = 275,839.68 × 146,510.72
  4. Step 4: Simplify right side
    183,478.40x = 40,413,470,121.37
  5. Step 5: Solve for x
    x = 40,413,470,121.37/183,478.40
  6. Step 6: Final answer
    x = 220,262.82

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1.5x scale

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.