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Finding the Fourth Proportional to 134,443.80, 201,665.70 and 123,946.20

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Solution

The fourth proportional to 134,443.80, 201,665.70 and 123,946.20 is: 185,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,443.80 : 201,665.70 = 123,946.20 : x
  2. Step 2: Convert to fraction form
    134,443.80/201,665.70 = 123,946.20/x
  3. Step 3: Cross multiply
    134,443.80x = 201,665.70 × 123,946.20
  4. Step 4: Simplify right side
    134,443.80x = 24,995,697,185.34
  5. Step 5: Solve for x
    x = 24,995,697,185.34/134,443.80
  6. Step 6: Final answer
    x = 185,919.30

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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.