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Finding the Fourth Proportional to 134,153.80, 201,000.30 and 70,880.20

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Solution

The fourth proportional to 134,153.80, 201,000.30 and 70,880.20 is: 106,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,153.80 : 201,000.30 = 70,880.20 : x
  2. Step 2: Convert to fraction form
    134,153.80/201,000.30 = 70,880.20/x
  3. Step 3: Cross multiply
    134,153.80x = 201,000.30 × 70,880.20
  4. Step 4: Simplify right side
    134,153.80x = 14,246,941,464.06
  5. Step 5: Solve for x
    x = 14,246,941,464.06/134,153.80
  6. Step 6: Final answer
    x = 106,198.57

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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.