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Finding the Fourth Proportional to 164,557.80, 246,836.70 and 145,204.20

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Solution

The fourth proportional to 164,557.80, 246,836.70 and 145,204.20 is: 217,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,557.80 : 246,836.70 = 145,204.20 : x
  2. Step 2: Convert to fraction form
    164,557.80/246,836.70 = 145,204.20/x
  3. Step 3: Cross multiply
    164,557.80x = 246,836.70 × 145,204.20
  4. Step 4: Simplify right side
    164,557.80x = 35,841,725,554.14
  5. Step 5: Solve for x
    x = 35,841,725,554.14/164,557.80
  6. Step 6: Final answer
    x = 217,806.30

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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.