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Finding the Fourth Proportional to 149,063.80, 223,595.70 and 134,318.20

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Solution

The fourth proportional to 149,063.80, 223,595.70 and 134,318.20 is: 201,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,063.80 : 223,595.70 = 134,318.20 : x
  2. Step 2: Convert to fraction form
    149,063.80/223,595.70 = 134,318.20/x
  3. Step 3: Cross multiply
    149,063.80x = 223,595.70 × 134,318.20
  4. Step 4: Simplify right side
    149,063.80x = 30,032,971,951.74
  5. Step 5: Solve for x
    x = 30,032,971,951.74/149,063.80
  6. Step 6: Final answer
    x = 201,477.30

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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.