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Finding the Fourth Proportional to 134,119.80, 201,179.70 and 70,853.40

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Solution

The fourth proportional to 134,119.80, 201,179.70 and 70,853.40 is: 106,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,119.80 : 201,179.70 = 70,853.40 : x
  2. Step 2: Convert to fraction form
    134,119.80/201,179.70 = 70,853.40/x
  3. Step 3: Cross multiply
    134,119.80x = 201,179.70 × 70,853.40
  4. Step 4: Simplify right side
    134,119.80x = 14,254,265,755.98
  5. Step 5: Solve for x
    x = 14,254,265,755.98/134,119.80
  6. Step 6: Final answer
    x = 106,280.10

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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.