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Finding the Fourth Proportional to 153,205.20, 229,980.60 and 118,299.60

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Solution

The fourth proportional to 153,205.20, 229,980.60 and 118,299.60 is: 177,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,205.20 : 229,980.60 = 118,299.60 : x
  2. Step 2: Convert to fraction form
    153,205.20/229,980.60 = 118,299.60/x
  3. Step 3: Cross multiply
    153,205.20x = 229,980.60 × 118,299.60
  4. Step 4: Simplify right side
    153,205.20x = 27,206,612,987.76
  5. Step 5: Solve for x
    x = 27,206,612,987.76/153,205.20
  6. Step 6: Final answer
    x = 177,582.83

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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.