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Finding the Fourth Proportional to 150,554.40, 207,243.60 and 130,127.14

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Solution

The fourth proportional to 150,554.40, 207,243.60 and 130,127.14 is: 179,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,554.40 : 207,243.60 = 130,127.14 : x
  2. Step 2: Convert to fraction form
    150,554.40/207,243.60 = 130,127.14/x
  3. Step 3: Cross multiply
    150,554.40x = 207,243.60 × 130,127.14
  4. Step 4: Simplify right side
    150,554.40x = 26,968,016,951.30
  5. Step 5: Solve for x
    x = 26,968,016,951.30/150,554.40
  6. Step 6: Final answer
    x = 179,124.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.