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Finding the Fourth Proportional to 153,112.80, 229,150.80 and 134,450.40

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Solution

The fourth proportional to 153,112.80, 229,150.80 and 134,450.40 is: 201,220.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,112.80 : 229,150.80 = 134,450.40 : x
  2. Step 2: Convert to fraction form
    153,112.80/229,150.80 = 134,450.40/x
  3. Step 3: Cross multiply
    153,112.80x = 229,150.80 × 134,450.40
  4. Step 4: Simplify right side
    153,112.80x = 30,809,416,720.32
  5. Step 5: Solve for x
    x = 30,809,416,720.32/153,112.80
  6. Step 6: Final answer
    x = 201,220.39

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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.