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Finding the Fourth Proportional to 164,554.30, 230,900.90 and 164,554.30

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Solution

The fourth proportional to 164,554.30, 230,900.90 and 164,554.30 is: 230,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,554.30 : 230,900.90 = 164,554.30 : x
  2. Step 2: Convert to fraction form
    164,554.30/230,900.90 = 164,554.30/x
  3. Step 3: Cross multiply
    164,554.30x = 230,900.90 × 164,554.30
  4. Step 4: Simplify right side
    164,554.30x = 37,995,735,968.87
  5. Step 5: Solve for x
    x = 37,995,735,968.87/164,554.30
  6. Step 6: Final answer
    x = 230,900.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.